Perhaps you should try some spelling variations:
la litterature » a literature
filologia la » biologia la, filologia e, filosofia la
e filologia » de filologia, di filologia, e fisiologia
raths case » rates case, paths case, graphs case
rats case » rates case, rcts case, rats causes

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 case) OR (raths case)) studies e filologia la litterature.
• Adding a wildcard symbol may retrieve word variants: ((rats case) or (raths case)) studies e filologia la litterature*.