Perhaps you should try some spelling variations:
die filosofia » di filosofia, de filosofia, e filosofia
male studies » mall studies, mantle studies, scale studies
yale studies » scale studies, cycle studies, cable studies
y literatura » la literatura
filosofia y » filosofia e, filosofia _, filosofia 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: "los ((male studies) OR (yale studies)) die filosofia y literatura*".