Perhaps you should try some spelling variations:
safe studium » safe studio, duale studium, ganze studium
ii filosofia » di filosofia, la filosofia, a filosofia
e literature » e literatur, life literature, prose literature
e filosofia » la filosofia
tests safe » tests safety, tests scale, tests space

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: "tests safe studium ((ii filosofia) OR (e filosofia)) e literature".
• Adding a wildcard symbol may retrieve word variants: tests safe studium ((ii filosofia) OR (e filosofia)) e literature*.