Perhaps you should try some spelling variations:
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
wong sau » wong sam, wong shiu, wong lai
wong siu » wong shiu, kong siu, wong siew
yang yi » yang di, yang xi, yang jui
li kang » li wang, xi kang, li zhang
li gang » liu gang, ii gang, i gang

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 yang yi ((li kang) OR (li gang)) minah ((wong sau) OR (wong siu)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang yang yi ((li kang) or (li gang)) minah ((wong sau) or (wong siu)) ;*.