Perhaps you should try some spelling variations:
del literatura » de literatura, pela literatura, da literatura
during studie » during studies, during study, during soldier
a filosofia » la filosofia, e filosofia, di filosofia
studie a » studie am, studie 2, studie _

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