Relevance Search brings the following benefits:
* Finds matches to any word in the search term in any field in the entity. Matches may include inflectional words, like "stream," "streaming," or "streamed."
* Includes the ability to search documents found in Notes and Attachments on Emails and Appointments Reference:
https://docs.microsoft.com/en-us/power-platform/admin/configure-relevance-search-organization#what-is-releva