Perhaps you should try some spelling variations:
convegno della » compagno della, governo della, collegio della
convegno del » convegno di, convegno per, governo del
succincte de » succinct de, succinct _, succinate _
de republica » la republica, _ republican, a republican
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 ((convegno della) OR (convegno del)) sala zuccari / succincte de republica.
• Adding a wildcard symbol may retrieve word variants: i ((convegno della) or (convegno del)) sala zuccari / succincte de republica*.