Perhaps you should try some spelling variations:
chang yiqian » zhang yifan, zhang yixin
yiqian wang » yijiang wang, liqin wang, qian wang
yan chang » yuan chang, han chang, yan zhang
wang yang » wang yan, wang liang, wang yanling
wong shiu » wong siu, cong shu, wong sau
kong your » kong young, knowing your
yang jun » yang jui, pang jun, yang jin
nan yan » nan ya, wang yan, qian yan

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: nan yan chang yiqian wang yang jun ((((wong shiu) OR (song shin))) OR (kong your)) ;~.
• Adding a wildcard symbol may retrieve word variants: nan yan chang yiqian wang yang jun ((((wong shiu) or (song shin))) or (kong your)) ;*.