Perhaps you should try some spelling variations:
la republica » la republique, _ republican
della sala » della casa
della seta » della pieta, della societa, della moneta
senato la » sento la, senat la, senator a

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: del convegno ((((della sala) OR (della seta))) OR (della sua)) zuccari / senato la republica.
• The words AND, OR and NOT may confuse the search; try adding quotes: "del convegno ((((della sala) OR (della seta))) or (della sua)) zuccari / senato la republica".
• Adding a wildcard symbol may retrieve word variants: del convegno ((((della sala) OR (della seta))) or (della sua)) zuccari / senato la republica*.