Perhaps you should try some spelling variations:
housing bank » housing bonds, housing a
test housing » cost housing, test using, era housing
david test » david west, davis test, david tblt
wang david » deng david, long david, ng david
wang ying » wang yong, wang jing, wang ning
wang yang » wang yan, wang liang, wang yanling
kong saur » kong sar, kong siu, kong your
kong sara » kong sar

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) OR (wang yang)) wang david test housing bank ((kong saur) OR (kong sara)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang ying) or (wang yang)) wang david test housing bank ((kong saur) or (kong sara)) ;*.