Perhaps you should try some spelling variations:
a literatura » la literatura, a literature, y literatura
filosofia a » filosofia da, filosofia la, filosofia e
best scale » rest scale, burst scale, best sales
bast scale » vast scale, basin scale, based scale
study la » study law, study lay, study lca

You may be able to get more results by adjusting your search query.

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