Perhaps you should try some spelling variations:
yunnan china » urban china, tuan china, wuhan china
yuan chang » yuan cheng, huang chang, han chang
huang ying » huang jing, huang ting, huang yang
china rene » china ren, china rate, china real
wang life » long life, wang lin
work you » works you, work your, world you
wang li » wang lei, wang lin, tang li

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: ((yuan chang) OR (huang ying)) yunnan china rene ((wang life) OR (wang li)) work you ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan chang) or (huang ying)) yunnan china rene ((wang life) OR (wang li)) work you ;~".
• Adding a wildcard symbol may retrieve word variants: ((yuan chang) or (huang ying)) yunnan china rene ((wang life) OR (wang li)) work you ;*.