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, 10 conservative
sao tiago » san tiago, joao tiago, kato tiago
11 cape » 11 case, 11 came, 11 cane
2f cape » 2 cape, 21 cape, off cape
11 care » 11 case, 1 care, 11 cases
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 (((11 cape) OR (11 care)))) 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 (((11 cape) OR (11 care)))) 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 (((11 cape) OR (11 care)))) verde %2f sa%cc%((83o tiago) or (sao tiago)) island%22*.