Perhaps you should try some spelling variations:
22historical buildings » historical buildings, historic buildings, historic building
historical building » historical buildings, historic buildings, historical thinking
2.1 conservation » 21 conservation, 2.1 construction
11 conservation » 9 conservation
tobago island » tobago iceland, tobago ireland, fogo island
tiago island » sado island, two island, bioko island
2f cape » 2 cape, 21 cape, off cape
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: %((22historical buildings) OR (historical building)) %((2.1 conservation) OR (11 conservation)) AND restoration %2f 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: "%((22historical buildings) or (historical building)) %((2.1 conservation) OR (11 conservation)) and restoration %2f cape verde %2f sa%cc%83o ((tiago island) or (tobago island))%22".
• Adding a wildcard symbol may retrieve word variants: %((22historical buildings) or (historical building)) %((2.1 conservation) OR (11 conservation)) and restoration %2f cape verde %2f sa%cc%83o ((tiago island) or (tobago island))%22*.