Perhaps you should try some spelling variations:
peng stern » peng sen, peng kern
stern john » stern jon, stein john, stern joel
juan peng » juan meng, juan rene
john wong » john song, john bonn
qian yan » qian jun, qian yi
wong sau » wong sam, wong siu, wong shiu
nan yan » nan ya, wang yan, dan yang

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