Perhaps you should try some spelling variations:
yunnan china » urban china, tuan china, wuhan china
yuan chang » yuan cheng, huang chang, han chang
huang yang » huang ying, huang chang, wang yang
china rene » china ren, china rate, china real
life work » life's work, safe work
work yue » work your, work you

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yuan chang) or (huang yang)) yunnan china rene longer life work yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan chang) OR (huang yang)) yunnan china rene longer life work yue ;*.