Perhaps you should try some spelling variations:
scale student » late student, scale study, male students
scale studies » scale study
di literatura » de literatura, da literatura, ii literatura
de filosofia » e filosofia, la filosofia, a filosofia
di filosofia » la filosofia, e filosofia

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: sets ((scale student) OR (scale studies)) ((de filosofia) OR (di filosofia)) di literatura.
• The words AND, OR and NOT may confuse the search; try adding quotes: "sets ((scale student) or (scale studies)) ((de filosofia) OR (di filosofia)) di literatura".
• Adding a wildcard symbol may retrieve word variants: sets ((scale student) or (scale studies)) ((de filosofia) OR (di filosofia)) di literatura*.