Search Library from "find a file" Sharepoint 2013

I have a problem with Search in SharePoint.

In Crawl i have more than 10K items "Searchable" as it says and everything looks to be set as it should.

In the general search box i get the right results but,when i search in "find a file" inside the library with file's or folder's name i get nothing back, when i search with creator i get the right results again.

I've been trying various solutions on the web but can't find anything that sorts my problem.I feel like the problem is in my columns but i started using sharepoint not long ago and im still in the process of learning so , i would appreciate some detailed answers.

Thanks in advance!