Perhaps you should try some spelling variations:
del literatura » de literatura, pela literatura, da literatura
die studium » dein studium, das studium, im studium
y filosofia » e filosofia, a filosofia, la filosofia
tests die » test die, tests der
studium y » studium _, studium 1, studium 3

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

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