Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan
yang liang » wang liang, yan liang, yang yang
than china » tuan china, han china, wuhan china
wang yang » wang yan, wang liang, wang yanling
huei ying » hui ying, hoi ying
long do » long d, long du, longer do
h yang » _ yang, hui yang

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: ((wang yang) OR (((yang guang) OR (yang liang)))) than china ((h yang) OR (huei ying)) a long do ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (((yang guang) or (yang liang)))) than china ((h yang) or (huei ying)) a long do ;*.