Perhaps you should try some spelling variations:
filosofia la » filosofia da, filosofia le, filosofica da
filosofia a » filosofia da, filosofia e, filosofia _
studium am » studium im, studium als, studium das
i studium » im studium, ii studium, iv studium
test i » test ii, test 1

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 i studium am ((filosofia a) OR (filosofia la)) literature.
• Adding a wildcard symbol may retrieve word variants: test i studium am ((filosofia a) or (filosofia la)) literature*.