Perhaps you should try some spelling variations:
huang xiaoting » wang xiaoping
xiaoting zhang » xiaotong zhang
zhang chen » chang chen, zhang chendi, zhigang chen
dang haji » dato haji
chen wei » zhen wei, chen e
wei yang » pei yang, wei wang, wei yang's
yang lin » yang jin, wang lin, yang li

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: huang xiaoting zhang chen wei yang lin ((dang hai) OR (dang haji)) ;~.
• Adding a wildcard symbol may retrieve word variants: huang xiaoting zhang chen wei yang lin ((dang hai) or (dang haji)) ;*.