Perhaps you should try some spelling variations:
wang wang » wang yang, wang liang, wang yan
wang yuan » wang yuhan, wang yan, fang yuan
ping john » king john, kong john, wong john
yuan hui » yuan fei, jaan hui, tuan hua
wong sam » wong lai, von sam, wong max
wong sau » wong siu, wong shiu, wong lai
sar » sara, star, saur

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang yuan hui irene ping john ((((wong sam) OR (wong sau))) OR (kong sar)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang wang yuan hui irene ping john ((((wong sam) or (wong sau))) or (kong sar)) ;*.