Perhaps you should try some spelling variations:
de filosofia » di filosofia, la filosofia, a filosofia
y literatura » la literatura
e filosofia » la filosofia
das studio » sas studio, das studium, casi studio
bist das » ist das, list das, geist das

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

• If you are trying to use Boolean operators, they must be ALL CAPS: bist das studio ((de filosofia) OR (e filosofia)) y literatura.
• Adding a wildcard symbol may retrieve word variants: bist das studio ((de filosofia) or (e filosofia)) y literatura*.