Perhaps you should try some spelling variations:
guan jean » jun jean
jean chen » ern chen
wing yan » wang yan, wing ian, wing tan
yan guan » gan guan, yan yuan, yang guang
yang jie » yang jin, yang jui, yang jun
wong sam » wong sau, wong lai, kong sar
yang xi » yang jui
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: wing yan guan jean chen ((((((yang xi) OR (yang yi))) OR (yang di))) OR (yang jie)) wong sam ;~.
• Adding a wildcard symbol may retrieve word variants: wing yan guan jean chen ((((((yang xi) or (yang yi))) or (yang di))) or (yang jie)) wong sam ;*.