Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
guan rene » glas rene
juan rene » juan meng, juan rana
yong yan » yang yang, dong yang, ying yang
yang jun » pang jun, yang jin, yang judy
yang jui » yang judy, yang di, yang xi
wong sau » wong sam, wong siu, wong shiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong yan ((guan rene) OR (juan rene)) ((yang jun) or (yang jui)) wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong yan ((guan rene) OR (juan rene)) ((yang jun) OR (yang jui)) wong sau ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong yan ((guan rene) OR (juan rene)) ((yang jun) or (yang jui)) wong sau ;*".