Perhaps you should try some spelling variations:
federazioni anarchica » federazione anarchica (Expand Search), federazioni anarchiche (Expand Search)
delle federazioni » della federazione (Expand Search)
principes de » principio del (Expand Search)
de base » di base (Expand Search)
e delle » e della (Expand Search)
communiste » comunista (Expand Search)

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

• Adding a wildcard symbol may retrieve word variants: principes de base e delle federazioni anarchica communiste*.