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
tobago island » tobago iceland, tobago ireland, fogo island
tiago island » sado island, two island, bioko island
2f cape » 2 cape, 21 cape, off cape
11 cape » 11 case, 11 care, 11 came
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 %((2f cape) OR (11 cape)) verde %2f sa%cc%83o ((tiago island) OR (tobago 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 %((2f cape) or (11 cape)) verde %2f sa%cc%83o ((tiago island) OR (tobago island))%22".
• Adding a wildcard symbol may retrieve word variants: %((22historic buildings) or (historic building)) %2.1 conservation and restoration %((2f cape) or (11 cape)) verde %2f sa%cc%83o ((tiago island) OR (tobago island))%22*.