Perhaps you should try some spelling variations:
22historic buildings » historic buildings, _ historicbuildings, historical buildings
historic building » historic buildings, historical building, historical buildings
2f conservation » 20 conservation, 21 conservation, 2.1 conservation
tiago island » tobago island, sado island, two island
83o tiago » sao tiago
2fa a » dfa a, 2fa _, 28a a
20a a » 20 a, 200 a, 202 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)) %2f conservation AND restoration %((off cape) OR (21 case)) verde %((2fa a) OR (20a a))%cc%83o tiago island%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22historic buildings) or (historic building)) %2f conservation and restoration %((off cape) or (21 case)) verde %((2fa a) OR (20a a))%cc%83o tiago island%22".
• Adding a wildcard symbol may retrieve word variants: %((22historic buildings) or (historic building)) %2f conservation and restoration %((off cape) or (21 case)) verde %((2fa a) OR (20a a))%cc%83o tiago island%22*.