Perhaps you should try some spelling variations:
der filosofia » de filosofia, di filosofia, da filosofia
mate student » mathe student, late student, male student
e literatura » de literatura, y literatura, e literatur
e filosofia » la filosofia
best mate » best mates, best make, best rate

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: best mate student ((der filosofia) OR (e filosofia)) e literatura.
• Adding a wildcard symbol may retrieve word variants: best mate student ((der filosofia) or (e filosofia)) e literatura*.