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