Perhaps you should try some spelling variations:
chen yiqun » chen yun, shen yijun
yiqun wang » yiqian wang, liqin wang
guan chen » sudan chen, yuan cheng, gren chen
wong shiu » wong siu, cong shu, song shin
kong your » kong young, knowing your
yan guan » gan guan, yan yuan, yang guang
yang jin » yang jie, yang jun, ying jin
pang jun » 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: yan guan chen yiqun wang ((yang jin) OR (pang jun)) ((wong shiu) OR (kong your)) ;~.
• Adding a wildcard symbol may retrieve word variants: yan guan chen yiqun wang ((yang jin) or (pang jun)) ((wong shiu) or (kong your)) ;*.