diff --git a/addons/web_tour/static/src/js/running_tour_action_helper.js b/addons/web_tour/static/src/js/running_tour_action_helper.js
index 4a8024ed2d9..3dc418b2558 100644
--- a/addons/web_tour/static/src/js/running_tour_action_helper.js
+++ b/addons/web_tour/static/src/js/running_tour_action_helper.js
@@ -102,14 +102,22 @@ var RunningTourActionHelper = core.Class.extend({
                 bubbles: true,
             }));
         } else if (values.$element.is("select")) {
-            var $options = values.$element.children("option");
+            var $options = values.$element.find("option");
             $options.prop("selected", false).removeProp("selected");
             var $selectedOption = $options.filter(function () { return $(this).val() === text; });
             if ($selectedOption.length === 0) {
                 $selectedOption = $options.filter(function () { return $(this).text().trim() === text; });
             }
+            const regex = /option\s+([0-9]+)/;
+            if ($selectedOption.length === 0 && regex.test(text)) {
+                // Extract position as 1-based, as the nth selectors.
+                const position = parseInt(regex.exec(text)[1]);
+                $selectedOption = $options.eq(position - 1); // eq is 0-based.
+            }
             $selectedOption.prop("selected", true);
             this._click(values);
+            // For situations where an `oninput` is defined.
+            values.$element.trigger("input");
         } else {
             values.$element.focusIn();
             values.$element.trigger($.Event( "keydown", {key: '_', keyCode: 95}));
diff --git a/addons/website/static/src/snippets/s_searchbar/000.js b/addons/website/static/src/snippets/s_searchbar/000.js
index 256994d7715..41c78dadb2c 100644
--- a/addons/website/static/src/snippets/s_searchbar/000.js
+++ b/addons/website/static/src/snippets/s_searchbar/000.js
@@ -64,15 +64,16 @@ publicWidget.registry.searchBar = publicWidget.Widget.extend({
             for (const keyValue of urlParams.split('&')) {
                 const [key, value] = keyValue.split('=');
                 if (value && key !== 'search') {
-                    this.options[key] = value;
+                    // Decode URI parameters: revert + to space then decodeURIComponent.
+                    this.options[decodeURIComponent(key.replace(/\+/g, '%20'))] = decodeURIComponent(value.replace(/\+/g, '%20'));
                 }
             }
         }
         const pathParts = urlPath.split('/');
         for (const index in pathParts) {
-            const value = pathParts[index];
+            const value = decodeURIComponent(pathParts[index]);
             if (index > 0 && /-[0-9]+$/.test(value)) { // is sluggish
-                this.options[pathParts[index - 1]] = value;
+                this.options[decodeURIComponent(pathParts[index - 1])] = value;
             }
         }
 
diff --git a/addons/website_blog/static/tests/tours/blog_search_with_date.js b/addons/website_blog/static/tests/tours/blog_search_with_date.js
new file mode 100644
index 00000000000..8cc98857eeb
--- /dev/null
+++ b/addons/website_blog/static/tests/tours/blog_search_with_date.js
@@ -0,0 +1,28 @@
+/** @odoo-module **/
+
+import tour from 'web_tour.tour';
+
+/**
+ * Makes sure that blog search can be used with the date filtering.
+ */
+tour.register('blog_autocomplete_with_date', {
+    test: true,
+    url: '/blog',
+}, [{
+    content: "Select first month",
+    trigger: 'select[name=archive]',
+    run: 'text option 2',
+}, {
+    content: "Enter search term",
+    trigger: '.o_searchbar_form input',
+    extra_trigger: '#o_wblog_posts_loop span:has(i.fa-calendar-o):has(a[href="/blog"])',
+    run: 'text a',
+}, {
+    content: "Wait for suggestions then click on search icon",
+    extra_trigger: '.o_searchbar_form .o_dropdown_menu .o_search_result_item',
+    trigger: '.o_searchbar_form button:has(i.oi-search)',
+}, {
+    content: "Ensure both filters are applied",
+    trigger: '#o_wblog_posts_loop:has(span:has(i.fa-calendar-o):has(a[href="/blog?search=a"])):has(span:has(i.fa-search):has(a[href^="/blog?date_begin"]))',
+    run: () => {}, // This is a check.
+}]);
diff --git a/addons/website_blog/tests/test_ui.py b/addons/website_blog/tests/test_ui.py
index 62e0173ee9f..93b65ae09f0 100644
--- a/addons/website_blog/tests/test_ui.py
+++ b/addons/website_blog/tests/test_ui.py
@@ -23,3 +23,8 @@ class TestUi(odoo.tests.HttpCase):
 
     def test_blog_post_tags(self):
         self.start_tour(self.env['website'].get_client_action_url('/blog'), 'blog_tags', login='admin')
+
+    def test_autocomplete_with_date(self):
+        self.env.ref('website_blog.opt_blog_sidebar_show').active = True
+        self.env.ref('website_blog.opt_sidebar_blog_index_follow_us').active = False
+        self.start_tour("/blog", 'blog_autocomplete_with_date')