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