Perhaps you should try some spelling variations:
governo della » governo del, governo de
convegno del » convegno della, convegno di, convegno per
e republica » de republica, en republica, e republicas
succinto e » succinte de, succinto dell, succincte de
zuccari » zaccaria

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: i ((governo della) OR (convegno del)) sala zuccari / succinto e republica.
• Adding a wildcard symbol may retrieve word variants: i ((governo della) or (convegno del)) sala zuccari / succinto e republica*.