Perhaps you should try some spelling variations:
de filosofia » e filosofia, di filosofia, la filosofia
a literatura » la literatura, a literature, y literatura
sets scaled » sets scale, sets scales, sets khaled
less scaled » less scale, meso scaled, lesser scales
d filosofia » di filosofia, da filosofia, e filosofia

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 scaled) OR (less scaled)) studies ((d filosofia) OR (de filosofia)) a literatura.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((sets scaled) or (less scaled)) studies ((d filosofia) OR (de filosofia)) a literatura".
• Adding a wildcard symbol may retrieve word variants: ((sets scaled) or (less scaled)) studies ((d filosofia) OR (de filosofia)) a literatura*.