Perhaps you should try some spelling variations:
yang liang » yan liang, yang yang, peng liang
wang yang » wang yan, wang yanling
liang yan » liang dan, liang tan, liang ying
kang chen » chang chen, jane chen, tang chun
yan wang » yuan wang, yang yang, qian wang
liang xi » liang li, liang wei, liang zhi
kang han » kong hang, zhang han, dang hai

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