Perhaps you should try some spelling variations:
yang john » young john, king john, yang jin
wong saur » kong sar, wong sam, wong siu
wing yan » wang yan, wing ian, wing tan
yang hua » yang hui, ying hua, wang hui
yang jui » yang judy, yang di, yang xi
ren yang » ren yan, chen yang, dan yang
wong sau » wong sam, wong siu, wong shiu

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: wing yan ((((yang hua) OR (yang jui))) OR (wang hua)) ren yang john ((wong saur) OR (wong sau)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan ((((yang hua) or (yang jui))) or (wang hua)) ren yang john ((wong saur) OR (wong sau)) ;~".
• Adding a wildcard symbol may retrieve word variants: wing yan ((((yang hua) or (yang jui))) or (wang hua)) ren yang john ((wong saur) OR (wong sau)) ;*.