Perhaps you should try some spelling variations:
y literatura » la literatura
filosofia y » filosofia e, filosofia _, filosofia de
vast scale » bast scale, coast scale, just scale
best scale » bast scale, rest scale, burst scale
studies la » studies lab, studies lca, studies lia

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 (best scale)) studies la filosofia y literatura.
• Adding a wildcard symbol may retrieve word variants: ((vast scale) or (best scale)) studies la filosofia y literatura*.