Perhaps you should try some spelling variations:
huang yang » huang ying, huang chang, wang yang
boon chong » boon siong, joon chang
ying john » king john, young john, ying jin
john song » john wong, john bonn, john ngosong
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, yang xi
hoi ying » li ying

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 chong)) ((yang jin) OR (yang jie)) hoi ying john song (shin OR skin) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((huang yang) or (boon chong)) ((yang jin) or (yang jie)) hoi ying john song (shin OR skin) ;~".
• Adding a wildcard symbol may retrieve word variants: ((huang yang) or (boon chong)) ((yang jin) or (yang jie)) hoi ying john song (shin OR skin) ;*.