Perhaps you should try some spelling variations:
ds filosofica » di filosofia, de filosofia, da filosofia
filosofica e » filosofia e, filosofica da, filosofia de
e literatura » de literatura, y literatura, e literatur
studium ds » studium des, studium das, studium d
test das » test day, west das, testen das
test des » test der, test test

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 (test des)) studium ds filosofica e literatura.
• Adding a wildcard symbol may retrieve word variants: ((test das) or (test des)) studium ds filosofica e literatura*.