Perhaps you should try some spelling variations:
john wong » john song, john bonn
yang john » young john, king john, yang jin
hua rene » hua ren, juan rene
wong sau » wong sam, wong siu, wong shiu
yan yan » yan yuan, nan yan, yang yang
yan hua » tan hua, ya hua, wang hua
wang » wan, lang

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

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