https://kir.wordpress.org/plugins/tags/extended-search/
Plugins categorized as extended search | WordPress.org Kyrgyz
extended searchpluginscategorizedwordpresskyrgyz
https://campus.studium.kit.edu/english/events/search.php
KIT - Events - Extended Search for Events
extended searchkitevents
https://www.fusejs.io/extended-search.html
Extended Search | Fuse.js
Use search operators for exact match, prefix, suffix, inverse, and include matching. Combine with AND/OR logic for precise filtering.
extended searchfusejs
https://wackowiki.org/doc/Dev/NewFeatures/ExtendedSearch/print
Extended Search (print) - WackoWiki
extended searchprintwackowiki