Perhaps you should try some spelling variations:
wang liang » wang yang
liang tan » liang dan, liang sun, wing tan
sang minh » anh minh, song min, song ming
zhong zhi » zhang zhi, hong ghi, zhong tai
sang min » song min, tang min, chang min
tan joo » tan poor, tan soon
joo lee » choo lee, kook lee

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 tan joo lee ((sang min) OR (((sang minh) OR (kang minah)))) zhong zhi ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang tan joo lee ((sang min) or (((sang minh) or (kang minah)))) zhong zhi ;*.