Perhaps you should try some spelling variations:
yunnan china » urban china, wuhan china, yunnan sheng
tuan china » wuhan china, can china, taiwan china
dong wing » dong ping, dong sin, dong bin
dong sind » dong sin, dong bin, dong ping
rural thi » rural tax
kim eung » kim young, kim song
thi kim » thi diem

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: ((dong wing) OR (dong sind)) ((tuan china) OR (yunnan china)) rural thi kim eung think ;~.
• Adding a wildcard symbol may retrieve word variants: ((dong wing) or (dong sind)) ((tuan china) or (yunnan china)) rural thi kim eung think ;*.