Perhaps you should try some spelling variations:
de filosofia » di filosofia, la filosofia, a filosofia
y literatura » la literatura
e filosofia » la filosofia
sas studio » a studio
list sas » ist sas, first sas, list scan

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: list sas studio ((de filosofia) OR (e filosofia)) y literatura.
• Adding a wildcard symbol may retrieve word variants: list sas studio ((de filosofia) or (e filosofia)) y literatura*.