Perhaps you should try some spelling variations:
yang john » young john, king john, yang jin
chen yang » chen rong
john wong » john song, john bonn
yan yang » yang yang, yao yang, tan yang
dan yang » daun yang, tan yang, wang yang
wong sau » wong sam, wong siu, wong shiu
yu chen » yu cheng, yi chen, yulu chen

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wan ((yan yang) or (dan yang)) yu chen yang john wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan ((yan yang) OR (dan yang)) yu chen yang john wong sau ;.
• Adding a wildcard symbol may retrieve word variants: wan ((yan yang) or (dan yang)) yu chen yang john wong sau ;*.