Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
than china » tuan china, han china, can china
yang lin » yang jin, wang lin, yang liang
zong hai » hong hai, dang hai, long han
wan yan » wang yan, nan yan, wang yang
wai yan » wang yan, wei yang
yang li » yang di, yang xi, yang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wan yan) OR (wai yan)) ((than china) or (wuhan china)) tan ((yang lin) or (yang li)) zong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (wai yan)) ((than china) OR (wuhan china)) tan ((yang lin) OR (yang li)) zong hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan yan) OR (wai yan)) ((than china) or (wuhan china)) tan ((yang lin) or (yang li)) zong hai ;*".