Perhaps you should try some spelling variations:
historical building » historical buildings, historic buildings, historical thinking
historic building » historic buildings, historical buildings, story building
2.2 conservation » 22 conservation, 1.2 conservation, 10.2 conservation
2f conservation » 20 conservation, 2.1 conservation, 2.7 conservation
sao tiago » san tiago, joao tiago, kato tiago
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: %((22((historic building) OR (historical building))s) OR (((historic building) OR (historical building)))) %((2f conservation) OR (2.2 conservation)) AND restoration %2f cape verde %2f sa%cc%((83o tiago) OR (sao tiago)) island%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22((historic building) or (historical building))s) or (((historic building) or (historical building)))) %((2f conservation) OR (2.2 conservation)) and restoration %2f cape verde %2f sa%cc%((83o tiago) or (sao tiago)) island%22".
• Adding a wildcard symbol may retrieve word variants: %((22((historic building) or (historical building))s) or (((historic building) or (historical building)))) %((2f conservation) OR (2.2 conservation)) and restoration %2f cape verde %2f sa%cc%((83o tiago) or (sao tiago)) island%22*.