Perhaps you should try some spelling variations:
wong shiu » wong siu, cong shu, song shin
yang john » young john, king john, yang jin
yan yuan » yan guan, fang yuan, nan yan
vu irene » _ irene
yang jui » yang judy, yang di, yang xi
yuan vu » tuan vu, yuan hui
wang » wing, wan, lang
lai » laid

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 yan yuan vu irene ((yang john) OR (yang jui)) ((wong shiu) OR (wong lai)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan yuan vu irene ((yang john) or (yang jui)) ((wong shiu) or (wong lai)) ;*.