Perhaps you should try some spelling variations:
yang liang » yan liang, yang yang, peng liang
liang yuan » fang yuan, jiang juan, liang dan
wang yang » wang yan, wang yanling
yuan wang » yan wang, yuan kang, yuan chang
kang chen » chang chen, jane chen, kang han
liang xi » liang li, liang wei, liang zhi
hai » hadi, haji, hari

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 liang yuan wang liang xi ((kang chen) OR (dang hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang liang yuan wang liang xi ((kang chen) or (dang hai)) ;*.