Perhaps you should try some spelling variations:
housing a » housing _, housing bank
kong saur » kong sar, kong siu, kong your
yan yang » yang yang, yao yang, dan yang
api test » i test, ii test
wan yan » wang yan, nan yan, wai yan
ai test » i test, ii test, ein test
a kong » w kong, tan kong, nan kong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan yang ((api test) OR (ai test)) housing a kong saur ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yan yang ((api test) OR (ai test)) housing a kong saur ;".
• Adding a wildcard symbol may retrieve word variants: wan yan yang ((api test) OR (ai test)) housing a kong saur ;*.