Perhaps you should try some spelling variations:
la litterature » a literature
duale studium » duales studium, dualen studium, das studium
die filosofia » di filosofia, de filosofia, e filosofia
filosofia la » filosofia da, filosofia le, filosofica da
studium die » studium der, studium 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: (testo OR texto) duale studium die filosofia la litterature.
• Adding a wildcard symbol may retrieve word variants: (testo or texto) duale studium die filosofia la litterature*.