Perhaps you should try some spelling variations:
furs studium » fur studium, das studium, ins studium
de literatur » de literatura, de literatuur, de litterature
3 filosofia » a filosofia, y filosofia, _ filosofia
e filosofia » la filosofia
test furs » test fur, test first, test forms

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 furs studium ((3 filosofia) OR (e filosofia)) de literatur".
• Adding a wildcard symbol may retrieve word variants: test furs studium ((3 filosofia) OR (e filosofia)) de literatur*.