Perhaps you should try some spelling variations:
vii filosofia » di filosofia, crisi filosofia, vida filosofica
tests stable » tests table, sets stable, test table
e literature » e literatur, life literature, prose literature
tests state » test state, tests static, cysts state
studies vii » studies vi, studies v
filosofia e » filosofia de, filosofia del

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tests state) OR (tests stable)) studies vii filosofia e literature.
• Adding a wildcard symbol may retrieve word variants: ((tests state) or (tests stable)) studies vii filosofia e literature*.