Perhaps you should try some spelling variations:
da literatura » la literatura, a literatura, de literatura
filosofia da » filosofia de, filosofia del, filosofia e
d filosofia » di filosofia, de filosofia, da filosofia
studium d » studium ad, studium _, studium 1
test dem » test des, test de, nebst dem

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: ((test dem) OR (test der)) studium d filosofia da literatura.
• Adding a wildcard symbol may retrieve word variants: ((test dem) or (test der)) studium d filosofia da literatura*.