Perhaps you should try some spelling variations:
huang yang » huang ying, huang chang, wang yang
boon siong » soon siong, boon chong
john song » john wong, john bonn, john ngosong
yang jin » yang jie, yang jun, ying jin
xi young » kim young, _ young, 3 young
a young » _ young
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: ((huang yang) OR (boon siong)) yang jin ((xi young) OR (a young)) john song shin ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((huang yang) or (boon siong)) yang jin ((xi young) OR (a young)) john song shin ;~".
• Adding a wildcard symbol may retrieve word variants: ((huang yang) or (boon siong)) yang jin ((xi young) OR (a young)) john song shin ;*.