Perhaps you should try some spelling variations:
y literatura » la literatura
filosofia y » filosofia e, filosofia _, filosofia de
bast scale » vast scale, basin scale, based scale
best scale » rest scale, burst scale, best sales
studie der » studium der
studie de » studie die, studie des, studies de

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