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