Perhaps you should try some spelling variations:
xiaodong chang » xiaotong zhang, xiaodong huang
wan xiaodong » wang xiaodong, wang xianodong, han xiaorong
chang chen » chang ch'un, chang chuan, change when
zhang hari » zhang dai, shang hai, zhang han
yang li » yang lin, yang xi, yang yi
chen e » chen _, chen wei

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: wan xiaodong chang chen e ((yang li) OR (yang di)) zhang hari ;~.
• Adding a wildcard symbol may retrieve word variants: wan xiaodong chang chen e ((yang li) or (yang di)) zhang hari ;*.