Perhaps you should try some spelling variations:
wang yang » wang liang, wang yanling
yang john » young john, king john, yang jin
john wong » john song, john bonn
tuan hua » tan hua, tuan vu, yuan hui
ren yang » ren yan, chen yang, dan yang
wong sam » wong sau, wong lai, kong sar
hua ren » hua chen

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

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