Perhaps you should try some spelling variations:
wang liang » wang yang
wang wang » wang yang, wang yan, wang yong
liang yi » jiang yi, liang li, liang ying
tang min » chang min, sang minh, yang mind
wong sau » wong siu, wong shiu, wong lai
wong sam » wong lai, kong sar, von sam
xu tang » xu gang, xu ting
yi xu » yi wu

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 liang yi xu tang min ((wong sau) OR (wong sam)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang wang liang yi xu tang min ((wong sau) or (wong sam)) ;*.