Perhaps you should try some spelling variations:
housing bank » housing bonds, housing a
davis cost » davis best
davis test » davis best, david west, davis tsu
wang ying » wang yang, wang yong, wang jing
ying yang » yang yang, yin yang, ying chang
kong saur » kong siu, kong your, wong sau
sar » sara, star

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 ying yang ((davis cost) OR (davis test)) housing bank ((kong saur) OR (kong sar)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ying yang ((davis cost) OR (davis test)) housing bank ((kong saur) or (kong sar)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ying yang ((davis cost) OR (davis test)) housing bank ((kong saur) or (kong sar)) ;*.