Perhaps you should try some spelling variations:
22historic buildings » historic buildings, _ historicbuildings, 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
tiago island » tobago island, two island, bioko island
2f a » 2fa a, e2f a, h2f a
cape » case, care, came

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