Perhaps you should try some spelling variations:
boon chong » boon siong, joon chang
song think » among think, song shin
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 jie » yang jin, yang di, yang xi
yang jui » yang judy, yang di, 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: ((wang yang) OR (boon chong)) ((yang jie) OR (yang jui)) hoi ying john song think ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (boon chong)) ((yang jie) or (yang jui)) hoi ying john song think ;*.