Perhaps you should try some spelling variations:
lang yanling » wang yanling, wang yangming, zhang yunling
wuhan china » tuan china, yunnan china
china data » china update, chinese data
shang hai » shang kai, dang hai, chang ha
ying jin » yang jin, jing ji, yang jie
yang jun » yang jui, pang jun, yang jin

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