Perhaps you should try some spelling variations:
yang muxi » yang xi, yang hui, yang mu
song minh » sang minh, song min, song ming
wing yan » wang yan, wing ian, wing tan
yang jui » yang judy, yang di, yang xi
wong sau » wong sam, wong shiu, wong lai
wong siu » wong shiu, kong siu, wong siew
li song » li cong, li rong, kim song

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 muxi) or (yang jui)) li song minh ((((wong sau) or (cong shu))) or (wong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan ((yang muxi) OR (yang jui)) li song minh ((((wong sau) OR (cong shu))) OR (wong siu)) ;.
• Adding a wildcard symbol may retrieve word variants: wing yan ((yang muxi) or (yang jui)) li song minh ((((wong sau) or (cong shu))) or (wong siu)) ;*.