Perhaps you should try some spelling variations:
de literatura » de litterature, la literatura, y literatura
e literatura » y literatura, e literatur, a literatura
d filosofia » di filosofia, de filosofia, da filosofia
best scale » rest scale, burst scale, best sales
bast scale » vast scale, basin scale, based 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: ((best scale) OR (bast scale)) studies d filosofia ((e literatura) OR (de literatura)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((best scale) OR (bast scale)) studies d filosofia ((e literatura) or (de literatura))".
• Adding a wildcard symbol may retrieve word variants: ((best scale) OR (bast scale)) studies d filosofia ((e literatura) or (de literatura))*.