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