Perhaps you should try some spelling variations:
doe filosofia » de filosofia, e filosofia, di filosofia
de literatura » de litterature, la literatura, y literatura
filosofia de » filosofia del
studies doe » studies does, studies dose, studies do
bast scale » best scale, vast scale, based scale

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 (basin scale)) studies doe filosofia de literatura*.