Perhaps you should try some spelling variations:
housing a » housing _, housing bank
kong saur » kong sar, kong siu, wong sau
kong your » kong young, knowing your
yan yang » yang yang, yao yang, dan yang
api test » i test, ii test
ai test » i test, ii test, ein test
wang » wing, wan, lang
housing » housigng, housindg, housking
sin » sign, sind, skin

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