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

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 test) duale studium der filosofia le literatura".
• Adding a wildcard symbol may retrieve word variants: (testo OR test) duale studium der filosofia le literatura*.