Perhaps you should try some spelling variations:
die philologica » ars philologica, i philologia, ix philologia
duale studien » duale studium, scale studien, duales studium
studien die » studie die, studien der
test duale » test double, test delle, test orale

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: test duale studien die philologica _ literatura*.