Perhaps you should try some spelling variations:
huang boon » huang bin
boon chong » boon siong, joon chang
chong nam » phuong nam, chong wan, chong yah
ya ching » a china, la chine, te ching
mo ching » mao china, goh ching, te ching
wen hsin » wei hsin, wen chin, wen ein
en chine » en chile

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: nan ((ya ching) OR (mo ching)) ((wen hsin) OR (en chine)) huang boon chong nam ;~.
• Adding a wildcard symbol may retrieve word variants: nan ((ya ching) or (mo ching)) ((wen hsin) or (en chine)) huang boon chong nam ;*.