Perhaps you should try some spelling variations:
chen zhang » cheng zhang, zhen zhang, chen zheng
weng fang » jing fang, wen wang
zhang xin » zhang jian, zhang ming, zhang fan
xin jeong » min jeong, kin keong, xin tong
jeong su » jeong _, jeong mi, jeong 情
yuan li » yuan lin, yuan zi, dayuan li
guan li » gan li, yuan lin

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

• Performing a fuzzy search may retrieve terms with similar spellings: weng fang ((yuan li) or (guan li)) chen zhang xin jeong su ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: weng fang ((yuan li) OR (guan li)) chen zhang xin jeong su ;*.