Perhaps you should try some spelling variations:
peng yeng » peng sen, eng seng
juan peng » juan meng, juan rene
yeng john » young john, king john, kong john
john wong » john song, john bonn
wong sau » wong sam, wong siu, wong shiu
nan san » non sans
nan yan » nan ya, wang yan, qian yan
wang » wing

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 OR wan) OR lang) ((nan san) OR (nan yan)) juan peng yeng john wong sau ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang or wan) or lang) ((nan san) OR (nan yan)) juan peng yeng john wong sau ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang or wan) or lang) ((nan san) OR (nan yan)) juan peng yeng john wong sau ;*.