Perhaps you should try some spelling variations:
chuan china » can china, tuan china, han china
china zhang » china chang, cheng zhang, chin chang
yang xi » yang jui
yang yi » yang jui
zhang c » zhang _, chang c, zhang i
n chen » _ chen, a chen, z chen
ng y » ng _, g y, na y
y n » y en, y un
wang » wing, wan, lang

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 yan) OR (yang di))) OR (((yang xi) OR (yang yi))))ng y n chen chuan china zhang c ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wang yan) or (yang di))) or (((yang xi) or (yang yi))))ng y n chen chuan china zhang c ;*.