Module off, search still works. Turning Search Management off only hides the status page. Shoppers can still search.
Two "minimum length" settings. Only Products → Search Settings → Minimum Query Length is used. The one on the module's Configure screen is ignored.
Search words are not read by every search. The product's Search words field is matched only by some results lists and the shopping assistant (which ones), not by the suggestions, Meilisearch or the WhatsApp bot. Use Search synonyms.
Hindi or other scripts. Search matches the text as written. A product named only in English will not be found by a Hindi search.