полнотекстовый-поиск

There is a website where content managers upload pdf files(specifications of various equipment, operating instructions, overv ... and search suggestions. Are there ready-made solutions? What tools and libraries can be used to implement this functionality?

There is a table, for example tag: I do a search via match against. Here is the request: SELECT id, name FROM tag WHERE M ... le: chevr? If the word is not fully written, then match against does not give the result. Is there anything other than LIKE?