Perhaps you should try some spelling variations:
wang liang » wang yang
wang dong » wang yong, wang hong, wang yang
yang hua » wang hua, ying hua, yang jui
yang hui » yang jui, wang hui, yang muxi
wei wang » wei yang, wen wang, wei shang
kong siu » kong eiu, wong siu, dong sin
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 dong ((yang hua) OR (yang hui)) wei wang liang ((kong siu) OR (wong sau)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang dong ((yang hua) or (yang hui)) wei wang liang ((kong siu) or (wong sau)) ;*.