Perhaps you should try some spelling variations:
dali test » davis test, data test, api test
housing a » housing _, housing bank
kong saur » kong siu, kong your, wong sau
wing yan » wang yan, wing ian, wing tan
yan yang » yang yang, yao yang, dan yang
ai test » api test, i test, ii test
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: wing yan yang ((dali test) or (ai test)) housing a ((((kong saur) OR (kong sar))) or (dong sin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan yang ((dali test) OR (ai test)) housing a ((((kong saur) OR (kong sar))) OR (dong sin)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan yang ((dali test) or (ai test)) housing a ((((kong saur) OR (kong sar))) or (dong sin)) ;".
• Adding a wildcard symbol may retrieve word variants: wing yan yang ((dali test) or (ai test)) housing a ((((kong saur) OR (kong sar))) or (dong sin)) ;*.