Perhaps you should try some spelling variations:
22historic buildings » historic buildings, _ historicbuildings, historical buildings
historic building » historic buildings, historical building, historical buildings
20 conservation » 10 conservation, 2.1 conservation, 9 conservation
sao tiago » san tiago, joao tiago, kato tiago
21 cape » 11 cape, 21 cap, 21 cases
2f cape » 2 cape, off cape
21 cake » 21 cases, 21 cable, 21 caged
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)) %20 conservation AND restoration %((2f cape) OR (((((21 cape) OR (21 case))) OR (21 cake)))) verde %2f sa%cc%((83o tiago) OR (sao tiago)) island%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22historic buildings) or (historic building)) %20 conservation and restoration %((2f cape) or (((((21 cape) or (21 case))) or (21 cake)))) verde %2f sa%cc%((83o tiago) OR (sao tiago)) island%22".
• Adding a wildcard symbol may retrieve word variants: %((22historic buildings) or (historic building)) %20 conservation and restoration %((2f cape) or (((((21 cape) or (21 case))) or (21 cake)))) verde %2f sa%cc%((83o tiago) OR (sao tiago)) island%22*.