Perhaps you should try some spelling variations:
scale studies » case studies, scale study
dd filosofia » di filosofia, de filosofia, da filosofia
e literatura » de literatura, y literatura, a literatura
sets scale » sets scaled, sets scales, set scale
studies dd » studies ds, studies d, studies dn
literatura » literaturea
literatur » literature

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