Perhaps you should try some spelling variations:
texto sociali » texto social, text social, texts social
studies doe » studies does, studies dose, studies do
filosofia e » filosofia de, filosofia del
studies de » studies der, studies die, studies due
literatur » literature

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: texto sociali ((studies de) OR (studies doe)) filosofia e literatur.
• Adding a wildcard symbol may retrieve word variants: texto sociali ((studies de) or (studies doe)) filosofia e literatur*.