Perhaps you should try some spelling variations:
duales studium » das studium
die filosofia » di filosofia, de filosofia, e filosofia
le literatura » la literatura, de literatura, e literatura
filosofia le » filosofia de, filosofia e, filosofia del
studium die » studium der, studium des

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: "(testo OR texto) duales studium die filosofia le literatura".
• Adding a wildcard symbol may retrieve word variants: (testo OR texto) duales studium die filosofia le literatura*.