You will see the Word search section in your search algorithm twice: once above Autocorrection, and once below it. This is right, so you can leave it that way. The autocorrection corrects typos based on an algorithm that calculates the distance between keys on a keyboard. This algorithm will adjust the executed search query, but will not give any results in itself. You will always need to have a follow-up algorithm (Word search) to get a new search query from the corrected search query.