Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
yan liang » yang liang, wang liang, you liang
tan china » tuan china, than china, can china
china pt » china past, china part, china path
yang xi » yang yi, yang jui
long d » long do, long du, long _
tang » lang, wang, gang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (yang guang)) tan china pt ((((tang li) OR (yang xi))) OR (yang di)) long d ;~.
• Adding a wildcard symbol may retrieve word variants: ((yan liang) or (yang guang)) tan china pt ((((tang li) or (yang xi))) or (yang di)) long d ;*.