Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
than china » tuan china, han china, wuhan china
yan longer » a longer
longer do » longer _, longer a, long do
yan wang » yuan wang, yang yang, qian wang
tuan hua » tan hua, tuan vu, yuan hui
pei wang » pei yang, wei wang, li wang

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 longer 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 longer do ;.
• Adding a wildcard symbol may retrieve word variants: ((yan wang) or (yang guang)) ((tuan hua) or (than china)) pei wang yan longer do ;*.