Perhaps you should try some spelling variations:
housing costs » housing census
costs among » costs along, customs among
wang ning » wang jing, wang liang, wang yong
wang yang » wang yan, wang liang, wang yanling
zhang yan » zhang fan, zhang jian, wang yan
a housing » 4 housing
among sin » among sign, among asian, among swine

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: ((wang ning) OR (wang yang)) ((zhang yan) OR (yang di)) a housing costs among sin ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang ning) OR (wang yang)) ((zhang yan) or (yang di)) a housing costs among sin ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang ning) OR (wang yang)) ((zhang yan) or (yang di)) a housing costs among sin ;*.