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

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: sets scale studies d filosofia ((a literatura) OR (a literature)).
• Adding a wildcard symbol may retrieve word variants: sets scale studies d filosofia ((a literatura) or (a literature))*.