Perhaps you should try some spelling variations:
test housing » cost housing, test using, tested using
era housing » a housing, rural housing, core housing
yang davis » wang david, yang dali
wang yong » wang yang, wang hyoung, wang yan
yong yang » yang yang, dong yang, ying yang
kong saur » kong sar, kong siu, kong your
a kong » w kong, tan kong, nan kong

You may be able to get more results by adjusting your search query.

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