Perhaps you should try some spelling variations:
duales studium » das studium
le litterature » la litterature, le letterature, les litteratures
de litterature » la litterature, et litterature
di filosofia » la filosofia, e filosofia
test duales » test doubles, test rules, test oracles
studium di » studium die, studium i, studium ii

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: "test duales studium di filosofia ((le litterature) OR (de litterature))".
• Adding a wildcard symbol may retrieve word variants: test duales studium di filosofia ((le litterature) OR (de litterature))*.