Hi!
Well, currently there is no front-end selector for enabling/disabling the search in taxonomy terms, but there are ones for choosing to search in title/content – so maybe I can suggest a possible setup and a small code snippet to covert those selectors for title/category.
I have made a test setup, that displays a drop-down filter of the ‘Search in title’ and ‘Search in content’ selectors, and the ‘Search in content’ selector is converted to a term only search via a small code snippet:
1. Use this setup on the front-end options panel: https://i.imgur.com/SQNnbiz.png
2. Add this custom code to the functions.php in your theme/child theme directory (copy from line 3 only!). Before editing, please make sure to have a full site back-up just in case!
This should do the trick, or at least help you get to the right direction.
Best,Ernest Marcinko
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