Perhaps you should try some spelling variations:
filosofica da » filosofia da, filosofia de, filosofia di
da literatura » la literatura, a literatura, de literatura
a filosofica » a filosofia, e filosofica, la filosofia
des dualen » der dualen, des idealen
studium a » studium am, studium ad, studium _

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 dualen) OR (des dualen)) studium a filosofica da literatura*".