Perhaps you should try some spelling variations:
among asian » among african, among iranian, among latvian
data test » data tell
housing a » housing _, housing bank
yan yang » yang yang, yao yang, dan yang
kong siu » kong eiu, wong siu, dong sin
i test » ai test, i testi, ii 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 ((data test) or (i test)) housing a ((kong siu) or (among asian)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan yang ((data test) OR (i test)) housing a ((kong siu) OR (among asian)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yan yang ((data test) or (i test)) housing a ((kong siu) or (among asian)) ;*.