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

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 ((day studium) OR (zum studium)) ((da filosofia) OR (di filosofia)) la litterature.
• The words AND, OR and NOT may confuse the search; try adding quotes: "test ((day studium) or (zum studium)) ((da filosofia) OR (di filosofia)) la litterature".
• Adding a wildcard symbol may retrieve word variants: test ((day studium) or (zum studium)) ((da filosofia) OR (di filosofia)) la litterature*.