Perhaps you should try some spelling variations:
when song » when songs, when so, when soft
cao when » do when, so when, bay when
song jin » song min, shang jin, song shin
yang jin » yang jie, yang jun, ying jin
zhi dan » zhi duan, shi dan
dan cao » dan cao's, dong cao
yang xi » yang yi, yang jui
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang zhi dan cao when song jin ((yang jin) or (((yang di) or (yang xi)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang zhi dan cao when song jin ((yang jin) OR (((yang di) OR (yang xi)))) ;*.