Perhaps you should try some spelling variations:
housing costs » housing census
yang davis » wang david, yang dali
davis test » davis best, david west, davis tsu
kang young » wang hyoung
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.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yin yang davis test ((housing bonds) OR (housing costs)) ((kang young) or (kong star)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yin yang davis test ((housing bonds) OR (housing costs)) ((kang young) OR (kong star)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yin yang davis test ((housing bonds) OR (housing costs)) ((kang young) or (kong star)) ;*".