Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
yan wuhan » yan guan, yan yuan
china dan » china den, china data, china des
zhong tai » hong tan, hong hai, zhong zhi
shang hai » shang kai, dang hai, chang ha
dan yang » daun yang, tan yang, wang yang
yang lin » yang jin, wang lin, yang li
wang » wing, wan, lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan wuhan china dan yang lin ((zhong tai) or (shang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan wuhan china dan yang lin ((zhong tai) OR (shang hai)) ;*.