Perhaps you should try some spelling variations:
duale studien » scale studien, duales studium, dualen studium
duale studium » duales studium, dualen studium, das studium
e literature » e literatur, life literature, prose literature
a filosofia » la filosofia, e filosofia, di filosofia
filosofia e » filosofia de, 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: "testi ((duale studien) OR (duale studium)) a filosofia e literature*".