Perhaps you should try some spelling variations:
scale studies » scale study
case studies » case study
dd filosofia » di filosofia, de filosofia, da filosofia
e literatura » de literatura, y literatura, e literatur
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: "sets ((scale studies) OR (case studies)) dd filosofia e literatura".
• Adding a wildcard symbol may retrieve word variants: sets ((scale studies) OR (case studies)) dd filosofia e literatura*.