Perhaps you should try some spelling variations:
de literatura » de litterature, la literatura, y literatura
duale studien » duale studium, scale studien, duales studium
e filologica » e filologia, de filologia, e filosofica
e literatura » y literatura, e literatur, a literatura
texto duale » texto durante
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: "texto duale studien e filologica ((e literatura) OR (de literatura))".
• Adding a wildcard symbol may retrieve word variants: texto duale studien e filologica ((e literatura) OR (de literatura))*.