Perhaps you should try some spelling variations:
housing a » housing _, housing bank
kong saur » kong sar, kong your, wong sau
yan yang » yang yang, dan yang, tan yang
yao yang » yang yang
api test » ai test, i test
kong siu » kong eiu, wong siu, dong sin
ii test » ai test, i test, ii texts
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yan yang) OR (yao yang)) ((api test) or (ii test)) housing a ((kong saur) or (kong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan yang) OR (yao yang)) ((api test) OR (ii test)) housing a ((kong saur) OR (kong siu)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yang) OR (yao yang)) ((api test) or (ii test)) housing a ((kong saur) or (kong siu)) ;".
• Adding a wildcard symbol may retrieve word variants: wang ((yan yang) OR (yao yang)) ((api test) or (ii test)) housing a ((kong saur) or (kong siu)) ;*.