Perhaps you should try some spelling variations:
wang xuan » wang xiuyan, wang xueman, wang yuhan
yan xuan » yan yuan, yan clan, yan kun
yan guan » gan guan, yan yuan, yang guang
vu irene » _ irene
yang jun » yang jui, pang jun, yang jin
jun wong » john wong
wong sau » wong sam, wong siu, wong shiu

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 xuan) OR (wang xuan))) OR (yan guan)) vu irene yang jun wong sau ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((((yan xuan) OR (wang xuan))) or (yan guan)) vu irene yang jun wong sau ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((((yan xuan) OR (wang xuan))) or (yan guan)) vu irene yang jun wong sau ;*.