Perhaps you should try some spelling variations:
2f conservation » 20 conservation, 21 conservation, 2.1 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 » 2 cape, off cape
2f a » 2fa a, e2f a, h2f 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 (21 cape)) verde %((2f sa) OR (2f a))%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 (21 cape)) verde %((2f sa) OR (2f a))%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 (21 cape)) verde %((2f sa) OR (2f a))%cc%((kato tiago) or (sao tiago)) island%22*.