Perhaps you should try some spelling variations:
boon siong » soon siong, boon chong
wang yang » wang yan, wang liang, wang yanling
ying john » king john, young john, ying jin
john song » john wong, john bonn, john ngosong
yang jin » yang jie, yang jun, ying jin
xi ying » li ying, hoi ying, jin ying
shin » skin, sein, thin

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 yang) OR (boon siong)) yang jin xi ying john song shin ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (boon siong)) yang jin xi ying john song shin ;*.