Perhaps you should try some spelling variations:
de litterature » la litterature, et litterature
filosofia de » filosofia del
da filosofia » la filosofia, di filosofia, a filosofia
day studium » das studium, d studium, day studies
dem studium » das studium, im studium, zum studium

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 ((day studium) OR (dem studium)) da filosofia de litterature*".