Handling misspell terms in app search

In Elasticsearch you can use fuzzy search in order to suggest terms that misspell.

I cant found any similar option on app search guide

For example if user search mami instead of miami we can still provide him some results .

What version of App Search are you on?

App Search uses Elasticsearch fuzzy queries, and that should be considered match. If you're not seeing that behavior, try adjusting precision on your engine: Precision tuning (beta) | Elastic App Search Documentation [7.16] | Elastic.