Perhaps you should try some spelling variations:
del literatura » de literatura, pela literatura, da literatura
der filosofia » de filosofia, e filosofia, di filosofia
due studium » duale studium, fur studium, das studium
tests due » tests die, tests de, tests drug

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

• Adding a wildcard symbol may retrieve word variants: tests due studium der filosofia del literatura*.