Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
china zhang » china chang, cheng zhang, chin chang
zhang huang » zhang huafeng, zhang shufang, zhang fang
yan wuhan » yan guan, yan yuan
ying yang » yang yang, yin yang, ying chang
yi chang » ii chang, ying chang, jin chang
nan yan » nan ya, wang yan, qian yan

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

• Performing a fuzzy search may retrieve terms with similar spellings: nan yan wuhan china zhang huang ((ying yang) or (yi chang)) hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nan yan wuhan china zhang huang ((ying yang) OR (yi chang)) hui ;*.