Perhaps you should try some spelling variations:
planning john » planning japan, dunning john, learning john
yunnan sheng » yunnan china
tuan china » wuhan china, can china, taiwan china
dong jung » hong jong, dong ping, dong yang
john song » john wong, john bonn, john ngosong
song min » song ming, gong min, jong min

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong jung) or (dong sin)) ((yunnan sheng) or (tuan china)) urban planning john song min ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong jung) OR (dong sin)) ((yunnan sheng) OR (tuan china)) urban planning john song min ;.
• Adding a wildcard symbol may retrieve word variants: ((dong jung) or (dong sin)) ((yunnan sheng) or (tuan china)) urban planning john song min ;*.