Perhaps you should try some spelling variations:
22historic buildings » historic buildings, _ historicbuildings, historical buildings
historic building » historic buildings, historical building, historical buildings
2.1 conservation » 21 conservation, 11 conservation, 2.1 construction
saldo island » sado island, sand island, sandy island
21 cape » 11 cape, 21 cake, 21 cap
2f sa » 2f a

Try widening your search to All Fields.

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: %((22historic buildings) OR (historic building)) %2.1 conservation AND restoration %((off cape) OR (((21 cape) OR (21 case)))) verde %2f sa%cc%83o saldo island%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22historic buildings) or (historic building)) %2.1 conservation and restoration %((off cape) or (((21 cape) OR (21 case)))) verde %2f sa%cc%83o saldo island%22".
• Adding a wildcard symbol may retrieve word variants: %((22historic buildings) or (historic building)) %2.1 conservation and restoration %((off cape) or (((21 cape) OR (21 case)))) verde %2f sa%cc%83o saldo island%22*.