Perhaps you should try some spelling variations:
zhang ming » zhang xin
wang yang » wang yan, wang liang, wang yanling
tang min » chang min, sang minh, yang mind
wong sau » wong sam, wong shiu, wong lai
wong siu » wong shiu, kong siu, wong siew
yi chen » jui chen
yang li » yang lin, yang di, yang xi
yera » yebra, yeram, era

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yera yi chen ((((tang min) or (zhang ming))) or (yang li)) ((wong sau) or (wong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yera yi chen ((((tang min) OR (zhang ming))) OR (yang li)) ((wong sau) OR (wong siu)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yang yera yi chen ((((tang min) or (zhang ming))) or (yang li)) ((wong sau) or (wong siu)) ;*.