Perhaps you should try some spelling variations:
duale studien » duale studium, scale studien, duales studium
da literature » a literature, la literature, ca literature
da literatura » la literatura, a literatura, de literatura
e filosofia » la filosofia
test duale » test double, test delle, test orale
studien e » studien es, studien _, studien 3

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: "test duale studien e filosofia ((da literature) OR (da literatura))*".