Perhaps you should try some spelling variations:
yunnan china » urban china, tuan china, wuhan china
yang guang » yang yang, yan guan, yang liang
qian wang » yiqian wang, qian rong, qian yan
tan hua » tuan hua, wang hua, tan chia
pei yun » lei kyun, mei yung, pei yang
yun yao » yul yao, yang yao, youn yeo
long du » long d, long run, long did
long do » long d, longer do, long ago

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((qian wang) or (yang guang)) ((tan hua) or (yunnan china)) pei yun yao ((long du) or (long do)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((qian wang) OR (yang guang)) ((tan hua) OR (yunnan china)) pei yun yao ((long du) OR (long do)) ;.
• Adding a wildcard symbol may retrieve word variants: ((qian wang) or (yang guang)) ((tan hua) or (yunnan china)) pei yun yao ((long du) or (long do)) ;*.