Perhaps you should try some spelling variations:
la literatura » la litterature, a literature
filosofia la » filosofia da, filosofia le, filosofica da
des studium » des studiums, das studium, dein studium
dem studium » das studium, im studium, zum studium
a filosofia » la filosofia, e filosofia, di filosofia

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "test ((des studium) OR (dem studium)) a filosofia la literatura".
• Adding a wildcard symbol may retrieve word variants: test ((des studium) OR (dem studium)) a filosofia la literatura*.