Perhaps you should try some spelling variations:
duale studien » duale studium, scale studien, duales studium
die filologia » di filologia, de filologia, e filologia
duale studie » duale studium, duales studium, dualen studium
y literatura » la literatura
filologia y » filologia e, filologica e, filosofia y
testo » test, tests, texto

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 ((duale studie) OR (duale studien)) die filologia y literatura".
• Adding a wildcard symbol may retrieve word variants: testo ((duale studie) OR (duale studien)) die filologia y literatura*.