Perhaps you should try some spelling variations:
chen chang » chin chang, shen chang, when change
chen chung » chen chuling, chen shuang, chen chuan
min jeong » kin keong, min hong, mun leong
jeong shu » jeong su, cong shu
wang dan » wang yan, wang ban, wang yidan
dan yan » dan yang, nan yan, wang yan
yan li » yang li, yuan li, gan li

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang dan yan li ((chen chang) OR (chen chung)) min jeong shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang dan yan li ((chen chang) OR (chen chung)) min jeong shu ;*.