Perhaps you should try some spelling variations:
test housing » cost housing, test using, tested using
era housing » a housing, rural housing, core housing
wang yao » wang yan, yang yao, gang yao
yao yang » yang yang
yang jui » yang judy, yang di, yang xi
tan kong » tan hong
sar » sara, star, saur

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yao yang jui ((test housing) OR (era housing)) tan kong sar ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yao yang jui ((test housing) OR (era housing)) tan kong sar ;".
• Adding a wildcard symbol may retrieve word variants: wang yao yang jui ((test housing) OR (era housing)) tan kong sar ;*.