Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
long lags » long ago, long days, long last
lags than » large than, less than, late than
tao yang » yao yang, tan yang, xiao yang
tan ying » fan ying, ran ying, tan yang
die tong » die tone, die totung, die tanf
tong hui » wang hui

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: long lags than china ((tao yang) OR (tan ying)) die tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: long lags than china ((tao yang) or (tan ying)) die tong hui ;*.