Perhaps you should try some spelling variations:
class dann » class demand
one class » one case
dann bin » dong bin
song min » song ming, gong min, jong min
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang di, yang xi
yang yi » yang di, yang xi
bin ce » bin we

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

• Performing a fuzzy search may retrieve terms with similar spellings: one class dann bin ce ((((song min) or (wang yan))) or (yang jin)) ((yang yi) or (yang jui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: one class dann bin ce ((((song min) OR (wang yan))) OR (yang jin)) ((yang yi) OR (yang jui)) ;*.