Perhaps you should try some spelling variations:
yunnan china » urban china, tuan china, wuhan china
yan yunnan » yan yuan
huang ying » huang jing, huang ting, huang bin
huang yang » huang chang, wang yang, yang yang
china hin » china han, china china, china hong
qian yan » qian jun, qian yi
tong hui » wang hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: qian yan yunnan china hin ((wang yan) or (((huang ying) OR (huang yang)))) tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: qian yan yunnan china hin ((wang yan) OR (((huang ying) OR (huang yang)))) tong hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian yan yunnan china hin ((wang yan) or (((huang ying) OR (huang yang)))) tong hui ;*".