Perhaps you should try some spelling variations:
yang liang » yan liang, yang yang, peng liang
wang liang » wang yang
china has » china have, china how
has yang » yao yang, dan yang, h yang
yang ka » yang fan, yang yao
ka long » a long, day long
long d » long do, long du, 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 (wang liang)) taiwan china has yang ka long d ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (wang liang)) taiwan china has yang ka long d ;*.