Perhaps you should try some spelling variations:
duales studium » das studium
da literatura » la literatura, de literatura, na literatura
de filosofia » e filosofia, di filosofia, la filosofia
a literatura » la literatura, a literature, y literatura
studium de » studium der, studium des, studium die
testo » test, tests, texto

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