Perhaps you should try some spelling variations:
than china's » can china's, dan china's, china china's
than china » tuan china, han china, wuhan china
chen yang » chen rong
yang jin » yang jie, yang jun, ying jin
jin tong » jin song, xin tong, jiao tong
tong hui » wang hui
leung » leong, lung, yeung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: leung tang ((((than china) or (than china's))) or (can china)) chen yang jin tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: leung tang ((((than china) OR (than china's))) OR (can china)) chen yang jin tong hui ;.
• Adding a wildcard symbol may retrieve word variants: leung tang ((((than china) or (than china's))) or (can china)) chen yang jin tong hui ;*.