Perhaps you should try some spelling variations:
2f conservation » 20 conservation, 2.1 conservation, 2.2 conservation
kato tiago » gati tiago, bastos tiago, santos tiago
sao tiago » san tiago, joao tiago, santos tiago
21 cape » 21 case, 11 cape, 21 cake
2f cape » off cape
2 cape » 2 care
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: %((historical buildings) OR (historic buildings)) %2f conservation AND restoration %((((2f cape) OR (2 cape))) OR (21 cape)) verde %2f sa%cc%((kato tiago) OR (sao tiago)) island%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((historical buildings) or (historic buildings)) %2f conservation and restoration %((((2f cape) OR (2 cape))) or (21 cape)) verde %2f sa%cc%((kato tiago) or (sao tiago)) island%22".
• Adding a wildcard symbol may retrieve word variants: %((historical buildings) or (historic buildings)) %2f conservation and restoration %((((2f cape) OR (2 cape))) or (21 cape)) verde %2f sa%cc%((kato tiago) or (sao tiago)) island%22*.