Perhaps you should try some spelling variations:
de litterature » la litterature, et litterature
di filosofia » la filosofia, e filosofia
filosofia de » filosofia del
der studium » oder studium, dem studium, dein studium
des studium » des studiums, das studium, dem studium
test » text

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 ((der studium) OR (des studium)) di filosofia de litterature*".