Torsten Landsiedel

This plugin modifies the native wordpress search function to ignore block names in post and page content.
With this plugin activated the unexpected search results are fixed which are reported in <a href="https://github.com/WordPress/gutenberg/issues/3739" rel="nofollow ugc">#3739</a> and in <a href="https://core.trac.wordpress.org/ticket/56294" rel="nofollow ugc">#56294</a>
Works only for MySQL 8.0.4+ and MariaDB 10.0.5+

Ignore HTML and shortcodes in search

Modifies the native search to ignore HTML markup (block editor comments) and shortcodes

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The Site Search WordPress plugin replaces the standard WordPress search with a polished, customizable, and more relevant search engine. Gain access to deep search insights and all the tools you need to customize and perfect your search experience. Join thousands of growing customers and bring world class search to your website, all backed under the hood by Elasticsearch.
<a href="https://swiftype.com/site-search" rel="nofollow ugc">What is Site Search?</a>
<h3>Features</h3>
<ul>
<li>Fully managed: We secure, store, and search all of your documents in the cloud. Your site stays fast.</li>
<li>No programming required: Works with your theme’s existing search.php template. Drop in the Site Search plugin and it just works.</li>
<li>Out of the box relevance: Pre-optimized typo tolerance, bigram matching, stemming, synonyms, phrase matching, and more.</li>
<li>Automatic Updating: Search results automatically synchronize when you save, delete, or change WordPress content.</li>
<li>Intuitive Dashboard: Use slick and powerful dashboard tools to customize your search relevance.</li>
<li>Deep Insights: Impactful search analytics help you understand your users and guide you to productive actions.</li>
<li>Choose Your Language: Supports 13 languages, including: English, French, German, Russian, Chinese, Japanese, Universal, and more.</li>
</ul>
Read the <a href="https://swiftype.com/documentation/site-search/guides/wordpress" rel="nofollow ugc">Site Search WordPress guide</a> for more details.

Swiftype Site Search Plugin for WordPress

Fast, intelligent, and fully customizable search for your site.

Ignore HTML and shortcodes in search vs Swiftype Site Search Plugin for WordPress