Perhaps you should try some spelling variations:
yiqian wang » yijiang wang, liqin wang, qian wang
kong zhang » kong hang, kong heng, kong hong
chen chan » chen chuan, cheung chan, chen chung
chan kong » chan fong, chan kang, tan kong
zhang zhi » zhong zhi, wang zhi, zhang wei
yan chen » yun chen, yuan cheng, jane chen

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 ((yiqian wang) OR (qian rong)) yan chen chan kong zhang zhi ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yiqian wang) or (qian rong)) yan chen chan kong zhang zhi ;*.