Perhaps you should try some spelling variations:
scale studies » scale study
dd filosofia » di filosofia, da filosofia, la filosofia
de filosofia » e filosofia, di filosofia, la filosofia
e literatura » de literatura, y literatura, e literatur
sets scale » sets scaled, sets scales, set scale

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: "sets scale studies ((dd filosofia) OR (de filosofia)) e literatura".
• Adding a wildcard symbol may retrieve word variants: sets scale studies ((dd filosofia) OR (de filosofia)) e literatura*.