Perhaps you should try some spelling variations:
yunnan china » urban china, tuan china, wuhan china
yang guang » yang yang, yan guan, yang liang
yan wang » yuan wang, yang yang, qian wang
pei yang » wei yang, hui yang, yi yang
yao long » a long, so long, yao yang
tan hua » tuan hua, wang hua, tan chia
pei yun » lei kyun, mei yung, wei yuan
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: ((yan wang) or (yang guang)) ((tan hua) or (yunnan china)) ((pei yang) OR (pei yun)) yao long do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yang guang)) ((tan hua) OR (yunnan china)) ((pei yang) OR (pei yun)) yao long do ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) or (yang guang)) ((tan hua) or (yunnan china)) ((pei yang) OR (pei yun)) yao long do ;".
• Adding a wildcard symbol may retrieve word variants: ((yan wang) or (yang guang)) ((tan hua) or (yunnan china)) ((pei yang) OR (pei yun)) yao long do ;*.