Perhaps you should try some spelling variations:
chen brian » schoen brian, chen jian
wang anh » dang anh, wang yang, wang yan
hua chen » jui chen, yu chen, a chen
wong sam » wong sau, von sam, wong max
anh tan » anh tran, anh tuan, oanh tran
tan hua » tuan hua, wang hua, tan chia
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 anh tan hua chen brian john ((((wong sam) OR (wong lai))) OR (kong sar)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang anh tan hua chen brian john ((((wong sam) or (wong lai))) or (kong sar)) ;*.