Perhaps you should try some spelling variations:
22historic buildingss » historic building, _ historicbuildings, historical buildings
2.2 conservation » 22 conservation, 1.2 conservation, 10.2 conservation
2f conservation » 20 conservation, 21 conservation, 2.1 conservation
bioko island » disko island, boon island, bone island
tiago island » tobago island, two island, cano island
2f sa » 2f 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 buildingss) OR (historic buildings)) %((2f conservation) OR (2.2 conservation)) AND restoration %off cape verde %2f sa%cc%83o ((((tiago island) OR (bioko island))) OR (sado island))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22historic buildingss) or (historic buildings)) %((2f conservation) OR (2.2 conservation)) and restoration %off cape verde %2f sa%cc%83o ((((tiago island) or (bioko island))) or (sado island))%22".
• Adding a wildcard symbol may retrieve word variants: %((22historic buildingss) or (historic buildings)) %((2f conservation) OR (2.2 conservation)) and restoration %off cape verde %2f sa%cc%83o ((((tiago island) or (bioko island))) or (sado island))%22*.