Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
dan china » can china, han china, dan china's
daun yang » du yang, tan yang, un yang
jia zhang » jie zhang, jia zhangke, xiao zhang
zhang hai » zhang dai, shang hai, zhang han
dan yang » tan yang, wang yang, yang yang
wang » wing, wan, lang

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: wang yanling ((dan china) OR (wuhan china)) ((dan yang) OR (daun yang)) jia zhang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling ((dan china) or (wuhan china)) ((dan yang) OR (daun yang)) jia zhang hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang yanling ((dan china) or (wuhan china)) ((dan yang) OR (daun yang)) jia zhang hai ;*.