Perhaps you should try some spelling variations:
pena literatura » pela literatura, na literatura, lengua literatura
filosofia pena » filosofia en, filosofia para, filosofia della
data studium » data studies, data studio, data studied
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: "lists ((data studium) OR (das studium)) e filosofia pena literatura".
• Adding a wildcard symbol may retrieve word variants: lists ((data studium) OR (das studium)) e filosofia pena literatura*.