Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
than china » tuan china, han china, can china
daun yang » du yang, tan yang, un yang
wing yan » wang yan, wing ian, wing tan
dan yang » tan yang, wang yang, yang yang
gang hai » dang hai, shang hai, eang hay
li gang » liu gang, ii gang, i gang

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