Perhaps you should try some spelling variations:
e literatura » de literatura, y literatura, e literatur
rosi models » roi models, osi model, osi modell
rosi modell » osi modell, osi model, osi modells
e filosofia » la filosofia
filosofia e » filosofia de, filosofia del

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: "((rosi models) OR (rosi modell)) studies e filosofia e literatura".
• Adding a wildcard symbol may retrieve word variants: ((rosi models) OR (rosi modell)) studies e filosofia e literatura*.