Perhaps you should try some spelling variations:
gavage studien » gavage studies, gavage study, frage studien
la litterature » a literature
die filologia » di filologia, de filologia, e filologia
filologia la » biologia la, filologia e, filosofia la
studien die » studie die, studien der

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

• Adding a wildcard symbol may retrieve word variants: oral gavage studien die filologia la litterature*.