Perhaps you should try some spelling variations:
wan yanling » wang yanling, wang yangming, wang danning
tuan china » wuhan china, can china, taiwan china
china data » china update, chinese data
yang jin » yang jie, ying jin, wang jing
yang jun » yang jui, pang jun, yang judy
hong hai » shang hai, zhong tai, dang hai

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 yanling tuan china data ((((yang jin) OR (shang jin))) OR (yang jun)) hong hai ;~.
• Adding a wildcard symbol may retrieve word variants: wan yanling tuan china data ((((yang jin) or (shang jin))) or (yang jun)) hong hai ;*.