Perhaps you should try some spelling variations:
wang liang » wang yang
wong john » wrong john, kong john, longo john
john wong » john song, john bonn
tuan hua » tan hua, tuan vu, yuan hui
jaan hui » yuan hui
thanh vu » thanh van, thanh _
wong sau » wong sam, wong siu, wong shiu

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 liang ((((tuan hua) OR (jaan hui))) OR (thanh vu)) irene wong john wong sau ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang ((((tuan hua) or (jaan hui))) or (thanh vu)) irene wong john wong sau ;*.