Perhaps you should try some spelling variations:
wong john » wrong john, kong john, longo john
ping john » king john, kong john
wong shiu » wong siu, cong shu, song shin
wing yan » wang yan, wing ian, wing tan
yan yuan » yan guan, fang yuan, nan yan
vu irene » _ irene
yuan vu » tuan vu, yuan hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan yuan vu irene ((ping john) OR (wong john)) ((kong sar) or (wong shiu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan yuan vu irene ((ping john) OR (wong john)) ((kong sar) OR (wong shiu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan yuan vu irene ((ping john) OR (wong john)) ((kong sar) or (wong shiu)) ;*".