Perhaps you should try some spelling variations:
a literatura » la literatura, a literature, y literatura
der studium » oder studium, des studium, dein studium
dem studium » das studium, im studium, zum studium
y filosofia » e filosofia, a filosofia, la filosofia
filosofia a » filosofia da, filosofia la, filosofia e
test » text

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