Perhaps you should try some spelling variations:
wuhan china » yunnan china
tuan china » can china, taiwan china, yunnan china
tan song » tan hong, tan kong, tan yong
song min » song ming, gong min, jong min
min dang » yimin dang, mein dank, bin dann
deng » den, eng, dung
hai » hadi, haji, hari

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: ((deng xiaoping) OR (wang xiaodong)) ((wuhan china) OR (tuan china)) tan song min dang hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((deng xiaoping) or (wang xiaodong)) ((wuhan china) or (tuan china)) tan song min dang hai ;*.