Perhaps you should try some spelling variations:
guan juan » huang juan, san juan, quan guan
juan rene » juan meng, juan rana
wang gan » wang yan, wang ban, wang dan
gan guan » yan guan, quan guan, fan guon
yang jie » yang jin, yang xi, yang jun
yang jui » yang judy, yang xi
wong sau » wong sam, wong siu, wong shiu
yang yi » yang xi

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 gan guan juan rene ((yang jie) OR (((((yang yi) OR (yang jui))) OR (yang di)))) wong sau ;~.
• Adding a wildcard symbol may retrieve word variants: wang gan guan juan rene ((yang jie) or (((((yang yi) or (yang jui))) or (yang di)))) wong sau ;*.