Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang guang » yang yang, yan guan
than china » tuan china, han china, wuhan china
hui ying » huei ying, hoi ying, hui ping
yu fang » yu gang, yu wang, yu yang
long do » long d, long du, longer do
3 long » a long, 2 long, 3.2 long

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: ((yang liang) OR (yang guang)) than china ((yu fang) OR (hui ying)) 3 long do ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (yang guang)) than china ((yu fang) or (hui ying)) 3 long do ;*.