Perhaps you should try some spelling variations:
e filosofica » e filosofia, e filosofiche, a filosofia
e literatura » de literatura, e literatur, a literatura
y literatura » la literatura
neue studie » neue studien, neuer studien, neue stufe
testo neue » test neue, gestose neue, testo cinese
studie e » studie 2, studie _, studie 1

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: "testo neue studie e filosofica ((e literatura) OR (y literatura))".
• Adding a wildcard symbol may retrieve word variants: testo neue studie e filosofica ((e literatura) OR (y literatura))*.