Perhaps you should try some spelling variations:
federazione anarchiche » federazioni anarchiche (Expand Search), federations anarchistes (Expand Search), edizioni anarchiche (Expand Search)
del base » del paese (Expand Search), di base (Expand Search), del mare (Expand Search)
de della » e della (Expand Search), e delle (Expand Search), e nella (Expand Search)
anarchica » anarchia (Expand Search), anarchico (Expand Search), anarchici (Expand Search)
communiste » comunista (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "principio del base de della ((federazione anarchiche) OR (federazione anarchica)) communiste~".
• Adding a wildcard symbol may retrieve word variants: principio del base de della ((federazione anarchiche) OR (federazione anarchica)) communiste*.