Perhaps you should try some spelling variations:
chang yan » chang yun, wang yan, chang ha
zhang yan » zhang fan, zhang jian, wang yan
zhang zhi » zhong zhi, wang zhi, zhang wei
wang qin » wang lin, wang qiao, wang jing
qin wang » qian wang, liqin wang, ping wang
yan sher » khan sher, can she
han shen » khan sher, can she, han en

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang qin wang ((yan sher) or (han shen)) ((chang yan) or (zhang yan)) zhang zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang qin wang ((yan sher) OR (han shen)) ((chang yan) OR (zhang yan)) zhang zhi ;.
• Adding a wildcard symbol may retrieve word variants: wang qin wang ((yan sher) or (han shen)) ((chang yan) or (zhang yan)) zhang zhi ;*.