Perhaps you should try some spelling variations:
22historic buildings » historic buildings, historical buildings, historical building
_ historicbuildings » historic buildings, historical buildings
historic building » historic buildings, historical building, historical buildings
2.2 conservation » 22 conservation, 1.2 conservation, 10.2 conservation
20 conservation » 10 conservation, 2.1 conservation, 9 conservation
2f conservation » 2.1 conservation, 2.7 conservation, 2.3 conservation
2f cape » 2 cape, off cape
21 cape » 21 case, 11 cape, 21 cake
2f sa » 2f a
sado » sardo, saldo, sao

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 (_ historicbuildings))) OR (historic building)) %((((2f conservation) OR (2.2 conservation))) OR (20 conservation)) AND restoration %((2f cape) OR (21 cape)) verde %2f sa%cc%83o sado island%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((22historic buildings) or (_ historicbuildings))) or (historic building)) %((((2f conservation) OR (2.2 conservation))) or (20 conservation)) and restoration %((2f cape) or (21 cape)) verde %2f sa%cc%83o sado island%22".
• Adding a wildcard symbol may retrieve word variants: %((((22historic buildings) or (_ historicbuildings))) or (historic building)) %((((2f conservation) OR (2.2 conservation))) or (20 conservation)) and restoration %((2f cape) or (21 cape)) verde %2f sa%cc%83o sado island%22*.