Perhaps you should try some spelling variations:
housing a » housing _, housing bank
kong saur » kong sar, kong siu, kong your
api test » i test, ii test
wan yan » wang yan, wai yan, wang yang
nan yan » nan ya, wang yan, qian 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) OR (nan yan)) yang ((api test) or (ai test)) housing a kong saur ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (nan 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) OR (nan yan)) yang ((api test) or (ai test)) housing a kong saur ;".
• Adding a wildcard symbol may retrieve word variants: ((wan yan) OR (nan yan)) yang ((api test) or (ai test)) housing a kong saur ;*.