Perhaps you should try some spelling variations:
yuan kang » yuan chang, chan kang, yuan kai
yuan wang » yan wang, yuan chang, qian wang
song ming » song bing, song min, gong min
dong bin » dong di, dann bin
kang kim » kanaga kim, tan kim, yong kim
kim song » kim young, kim eung
dan cao » dan cao's, dong cao
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dan cao) or (((dong bin) or (dong sin)))) ya ((yuan wang) OR (yuan kang)) kang kim song ming ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dan cao) OR (((dong bin) OR (dong sin)))) ya ((yuan wang) OR (yuan kang)) kang kim song ming ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dan cao) or (((dong bin) or (dong sin)))) ya ((yuan wang) OR (yuan kang)) kang kim song ming ;*".