Perhaps you should try some spelling variations:
e literature » e literatur, life literature, prose literature
test duales » test doubles, test rules, test oracles
filosofia e » filosofia de, filosofia del
studium ds » studium des, studium das, studium der
studium d » studium ad, studium _, studium 1

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 ds) OR (studium d)) filosofia e literature".
• Adding a wildcard symbol may retrieve word variants: test duales ((studium ds) OR (studium d)) filosofia e literature*.