Perhaps you should try some spelling variations:
xiaodong chang » xiaotong zhang, xiaodong huang
zhang hanmo » zhang han
chang chen » chang ch'un, chang chuan, change when
zhang hari » zhang dai, shang hai, zhang han
yang li » yang lin, yang di, yang xi
chen e » chen _, chen wei
e yang » _ yang, h yang, pei yang
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 xiaodong chang chen e yang li ((zhang hari) OR (zhang hanmo)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaodong chang chen e yang li ((zhang hari) or (zhang hanmo)) ;*.