Perhaps you should try some spelling variations:
del literatura » de literatura, pela literatura, da literatura
e filosofia » la filosofia
best scale » rest scale, burst scale, best sales
bast scale » basin scale, based scale, basic scale
vast scale » coast scale, just scale, part scale

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) OR (vast scale)))) studies e filosofia del literatura.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((best scale) or (((bast scale) OR (vast scale)))) studies e filosofia del literatura".
• Adding a wildcard symbol may retrieve word variants: ((best scale) or (((bast scale) OR (vast scale)))) studies e filosofia del literatura*.