Perhaps you should try some spelling variations:
del literatura » de literatura, pela literatura, da literatura
d filosofia » di filosofia, de filosofia, da filosofia
tests das » tests des, test das, tests data
studium d » studium ad, studium _, studium 1

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

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