Perhaps you should try some spelling variations:
process during » processes during
during studie » during studies, during study, during soldier
e literatura » de literatura, y literatura, e literatur
a filosofia » la filosofia, di filosofia
e filosofia » la filosofia

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: "process during studie ((a filosofia) OR (e filosofia)) e literatura".
• Adding a wildcard symbol may retrieve word variants: process during studie ((a filosofia) OR (e filosofia)) e literatura*.