Perhaps you should try some spelling variations:
la literatura » la litterature, a literature
filosofia la » filosofia da, filosofia le, filosofica da
studium la » studium a, studium als, studium das
test das » test des, test day, west das
bist das » ist das, list das, geist das

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: ((test das) OR (bist das)) studium la filosofia la literatura.
• Adding a wildcard symbol may retrieve word variants: ((test das) or (bist das)) studium la filosofia la literatura*.