There are numerous forum posts about search not working (see related reports at the end).
I have created an issue regarding this matter.
Read this first.
Joplin - an open source note taking and to-do application with synchronisation capabilities
Try Full-Text Index Queries (Switch to basic search).
Add it to the beginning of the search word.
/YOUR SEARCH WORD
- Issues · laurent22/joplin | https://github.com/laurent22/joplin/issues?page=1&q=is%3Aissue+is%3Aopen+search - Search results for 'search' - Joplin Forum | https://discourse.joplinapp.org/search?q=search%20order%3Alatest - Search optimization suggestions - Features - Joplin Forum | https://discourse.joplinapp.org/t/search-optimization-suggestions/7427/7 - [Joplin 1.7.11] search engine doesn't work accurate · Issue #4482 · laurent22/joplin | https://github.com/laurent22/joplin/issues/4482 - Confusing search - Support - Joplin Forum | https://discourse.joplinapp.org/t/confusing-search/7628 - Can not search chinese in titile - Support - Joplin Forum | https://discourse.joplinapp.org/t/can-not-search-chinese-in-titile/1361 - Joplin search function is ugly - Features - Joplin Forum | https://discourse.joplinapp.org/t/joplin-search-function-is-ugly/25824 - Shortcut for title search or tag search? - Lounge - Joplin Forum | https://discourse.joplinapp.org/t/shortcut-for-title-search-or-tag-search/13771/2 - It is recommended to add the notebook name to the search scope - Features - Joplin Forum | https://discourse.joplinapp.org/t/it-is-recommended-to-add-the-notebook-name-to-the-search-scope/24344 - Search note problem (can't find a note even with words from its title) - Support - Joplin Forum | https://discourse.joplinapp.org/t/search-note-problem-cant-find-a-note-even-with-words-from-its-title/577/17 - Search in notebook names - Features - Joplin Forum | https://discourse.joplinapp.org/t/search-in-notebook-names/7456/2 - Desktop: Go To Anything by body by anjulalk · Pull Request #2686 · laurent22/joplin | https://github.com/laurent22/joplin/pull/2686