Perhaps you should try some spelling variations:
yang yang » wang yang
song ming » song bing, song min, gong min
yan have » can have, plan have, may have
yang jin » yang jie, yang jun, ying jin
chong yi » chong yah, chong yun, hong yu
have du » have you, have fun, have our
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 yan have du yang yang jin ((chong yi) or (song ming)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan have du yang yang jin ((chong yi) OR (song ming)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yan have du yang yang jin ((chong yi) or (song ming)) ;*.