Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
peng liang » wang liang, yang liang, deng ziliang
yan liang » yang liang, wang liang, you liang
zhang von » zhang hong, zhang rong, zhang fan
von wang » von wall, von wald, wen wang
wang hui » wang hua, wang zhi, wang wei

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 OR lang) yan ((yan liang) OR (peng liang)) cheng zhang von wang hui ;~.
• Adding a wildcard symbol may retrieve word variants: (wang or lang) yan ((yan liang) or (peng liang)) cheng zhang von wang hui ;*.