Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
than china » tuan china, han china, wuhan china
yan wang » yuan wang, yang yang, qian wang
tuan hua » tan hua, tuan vu, yuan hui
pei wang » pei yang, wei wang, li wang
yan long » yan cong, van long, pain long
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)) ((tuan hua) or (than china)) pei wang yan long do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yang guang)) ((tuan hua) OR (than china)) pei wang yan long do ;.
• Adding a wildcard symbol may retrieve word variants: ((yan wang) or (yang guang)) ((tuan hua) or (than china)) pei wang yan long do ;*.