Perhaps you should try some spelling variations:
lang yanling » wang yanling, wang yangming, zhang yunling
than china » tuan china, wuhan china, dan china
yuan cheng » yuan chang, huang cheng, yu cheng
han china » hang china, dan china, wuhan china
wang yang » wang yan, wang liang, wang yanling
yang yuan » fang yuan, yan yuan, yang yun
cheng hai » cheng han, cheng hei, chen hao

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 ((((than china) OR (can china))) OR (han china)) wang yang yuan cheng hai ;~.
• Adding a wildcard symbol may retrieve word variants: lang yanling ((((than china) or (can china))) or (han china)) wang yang yuan cheng hai ;*.