Perhaps you should try some spelling variations:
yunnan china » urban china, tuan china, wuhan china
yang yang » wang yang, wang yan
yan liang » yang liang, wang liang, you liang
yuan hui » yuan fei, jaan hui, tuan hua
wei yang » pei yang, wei wang, wei yang's
yang de » yang di, rang de, yang d
de long » le long, de longue
long do » long d, long du, longer do

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (yan liang)) ((((yuan hui) or (yunnan china))) or (wang hua)) wei yang de long do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (yan liang)) ((((yuan hui) OR (yunnan china))) OR (wang hua)) wei yang de long do ;.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (yan liang)) ((((yuan hui) or (yunnan china))) or (wang hua)) wei yang de long do ;*.