Perhaps you should try some spelling variations:
chen chung » chen chuling, chen shuang, chen chuan
chung min » chang min, chung mona, cheng ming
jeong shu » jeong su
wang dan » wang yan, wang ban, wang yidan
dan yan » dan yang, nan yan, wang yan
yi chen » jui chen
yan yi » yang yi, tan yi, yan zi

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 yi chen chung min ((jeong shu) OR (cong shu)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang dan yan yi chen chung min ((jeong shu) OR (cong shu)) ;*.