Perhaps you should try some spelling variations:
housing costs » housing census
davis test » davis best, davis tsu
david west » david webster
kong young » kang young, among young, young young
kong star » kong sar
wang yin » wang yan, wang lin, wang qin
yin yang » ying yang, yi yang, yin fang

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 yin yang ((davis test) OR (david west)) housing costs ((kong young) OR (kong star)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yin yang ((davis test) OR (david west)) housing costs ((kong young) or (kong star)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yin yang ((davis test) OR (david west)) housing costs ((kong young) or (kong star)) ;*.