Perhaps you should try some spelling variations:
housing costs » housing census
test housing » cost housing, test using, era housing
costs kong » costs along, costs among, costs longer
wang yong » wang yang, wang hyoung, wang shiyong
yang dali » yang di, bang dai, yang all
dali test » davis test, data test, ai test

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 yong) OR (wang yan)) yang dali test housing costs kong (sar OR star) ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yong) or (wang yan)) yang dali test housing costs kong (sar or star) ;*.