Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan gan » yihan guan, wuhan can
guan rene » juan rene, glas rene
wong laid » wong lai, kong land
gan guan » yan guan, quan guan, fan guon
yang jin » yang jie, yang jun, ying jin
yang xi » yang di, yang yi, yang jui

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 yuhan gan guan rene ((yang jin) OR (yang xi)) wong laid ;~.
• Adding a wildcard symbol may retrieve word variants: wang yuhan gan guan rene ((yang jin) or (yang xi)) wong laid ;*.