Perhaps you should try some spelling variations:
gavage studies » game studies
de litterature » la litterature, et litterature
die filologia » di filologia, de filologia, e filologia
filologia de » filologia e, fisiologia de, filosofia de
studies die » studie die, studien die, studies does
rats » rat

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((rats OR rate) OR rays) gavage studies die filologia de litterature.
• Adding a wildcard symbol may retrieve word variants: ((rats or rate) or rays) gavage studies die filologia de litterature*.