Perhaps you should try some spelling variations:
die filologia » di filologia, de filologia, e filologia
la literatura » la litterature, a literature
filologia la » biologia la, filologia e, filosofia la
tests frage » tests fake, tests free, tests fame
studien die » studie die, studien der
tests face » tests fake, tests fame, tests false

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tests frage) OR (tests face)) studien die filologia la literatura.
• Adding a wildcard symbol may retrieve word variants: ((tests frage) or (tests face)) studien die filologia la literatura*.