Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
tuan china » wuhan china, can china, taiwan china
yan liang » yang liang, wang liang, you liang
yang yang » wang yang, wang yan
pei yang » wei yang, hui yang, pei yun
tan hua » tuan hua, wang hua, tan chia
yang so » yang yao
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 liang) or (yang yang))) or (yang guang)) ((tan hua) or (tuan china)) pei yang so long do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yan liang) OR (yang yang))) OR (yang guang)) ((tan hua) OR (tuan china)) pei yang so long do ;.
• Adding a wildcard symbol may retrieve word variants: ((((yan liang) or (yang yang))) or (yang guang)) ((tan hua) or (tuan china)) pei yang so long do ;*.