Perhaps you should try some spelling variations:
der filosofica » de filosofia, e filosofica, e filosofia
la literatura » la litterature, a literature
a literatura » a literature, y literatura, a literatur
das studie » das studien, das studio, des studie
studie der » studium der
best das » best days, west das, bist das

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: "best das studie der filosofica ((a literatura) OR (la literatura))".
• Adding a wildcard symbol may retrieve word variants: best das studie der filosofica ((a literatura) OR (la literatura))*.