Perhaps you should try some spelling variations:
e litterature » et litterature, de litterature, en litterature
das filosofia » da filosofia, la filosofia, di filosofia
studium das » studium des, studium der, studium die
filosofia e » filosofia de, filosofia del
test im » test i, test ii, test iv

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((test im) OR (fest im)) studium das filosofia e litterature".
• Adding a wildcard symbol may retrieve word variants: ((test im) OR (fest im)) studium das filosofia e litterature*.