When I enter the file name in “search”, the file is not found. However, the file is actually in the database.
That tool is free (at least for short texts), might avoid some roundtrips.
Back to the question: Are you searching for a file name in Chinese glyphs? I remember some questions around that, as the search seems to handle those not as expected by native speakers/writers in some cases, e.g. here:
In any case, an example with screenshots might be helpful.