Perhaps you should try some spelling variations:
chang won » chang soon, chang min, chang you
chang ann » chang min, chang yun, change annex
jeong shu » jeong su, cong shu
yan yang » yang yang, yao yang, dan yang
yang yi » yang di, yang xi, yang jui
yi shen » yi chen, jia shen, pui shen
wang » wing, wan, lang

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 yan yang yi shen ((chang won) OR (chang ann)) jeong shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan yang yi shen ((chang won) OR (chang ann)) jeong shu ;*.