Perhaps you should try some spelling variations:
housing bank » housing bonds
housing a » housing _
kong saur » kong sar, kong your, wong sau
yan yang » yang yang, yao yang, dan yang
kong siu » kong eiu, wong siu, dong sin
ii test » ai test, api test, ii texts
i test » ai test, i testi, 2 test
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 ((ii test) or (i test)) ((housing a) OR (housing bank)) ((kong saur) or (kong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan yang ((ii test) OR (i test)) ((housing a) OR (housing bank)) ((kong saur) OR (kong siu)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan yang ((ii test) or (i test)) ((housing a) OR (housing bank)) ((kong saur) or (kong siu)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yan yang ((ii test) or (i test)) ((housing a) OR (housing bank)) ((kong saur) or (kong siu)) ;*.