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