Perhaps you should try some spelling variations:
de litterature » et litterature
la litterature » a literature
de filosofia » e filosofia, di filosofia, la filosofia
mode studie » mode studies, model studies, modell studie
studie de » studie der, studie die, studie des

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: text mode studie de filosofia ((de litterature) OR (la litterature))*.