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

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: "bast scale ((studie de) OR (studie des)) filosofia y literatura*".