Perhaps you should try some spelling variations:
joon anhang » joon chang, polen anhang
chen zhang » cheng zhang, zhen zhang, chen zheng
zhang joon » zhang jian, zhang joe, chang soon
anhang c » anhang 1, anhang a, anhang i
wai yan » wang yan, wei yang
yang xi » yang di, yang jui
yang yi » yang di, yang jui
a chen » ta chen, _ chen, n chen
ed a » jed a, red a, eds a

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: ((((wai yan) OR (yang judy))) OR (((yang xi) OR (yang yi))))ng ed a chen zhang joon anhang c ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wai yan) or (yang judy))) or (((yang xi) or (yang yi))))ng ed a chen zhang joon anhang c ;*.