Perhaps you should try some spelling variations:
chin chang » china chang, chain change, china zhang
chang wang » chang ann, chang won, hong wang
wang yong » wang yang, wang hyoung, wang shiyong
dan han » dan phan, dan dana, dan yang
man han » man hat, man what
man can » woman can
yong yu » hong yu, rong yu, young yun

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan ((((dan han) or (((man han) OR (man kann))))) or (man can)) chin chang wang yong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((((dan han) OR (((man han) OR (man kann))))) OR (man can)) chin chang wang yong yu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((((dan han) or (((man han) OR (man kann))))) or (man can)) chin chang wang yong yu ;*".