Perhaps you should try some spelling variations:
yang guang » yan guan
yang liang » wang liang, yan liang, peng liang
tuan china » wuhan china, can china, taiwan china
yang yang » wang yang, wang yan
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: ((yang yang) OR (((yang guang) OR (yang liang)))) tuan china ((h yang) OR (huei ying)) a long do ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (((yang guang) or (yang liang)))) tuan china ((h yang) or (huei ying)) a long do ;*.