Perhaps you should try some spelling variations:
housing costs » housing census
xvii housing » ii housing, iii housing, fair housing
ping wang » ping pong, hong wang
costs aid » costs land, costs a, costs amy
hong hong » hong kong, hong ng, how hong
hong jong » hong kong
hong a » hong ma, hong w, kong a

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: ping wang yanling xvii housing costs aid ((hong a) OR (((hong hong) OR (hong jong)))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ping wang yanling xvii housing costs aid ((hong a) or (((hong hong) OR (hong jong)))) ;~".
• Adding a wildcard symbol may retrieve word variants: ping wang yanling xvii housing costs aid ((hong a) or (((hong hong) OR (hong jong)))) ;*.