Perhaps you should try some spelling variations:
yeung zhang » yuehong zhang
zhang han » zhang fan, zhang yan, zhang hanmo
china who » china why, china what
china won » china women, china wang, china why
yang jun » yang jui, pang jun, yang jin
ying jin » yang jin, jing ji, yang jie
tong hui » wang hui

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: yeung zhang han ((china who) OR (china won)) ((yang jun) OR (ying jin)) tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: yeung zhang han ((china who) or (china won)) ((yang jun) or (ying jin)) tong hui ;*.