Perhaps you should try some spelling variations:
case drama » das drama, case data, facade drama
drama auch » drama match, drama act
yang yang » wang yang, wang yan
one case » some case, one class, one phase
auch die » durch die, sich die
ying jin » yang jin, jing ji, yang jie
yang fan » zhang fan, yang dean, yang jin

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

• If you are trying to use Boolean operators, they must be ALL CAPS: one case drama auch die ((((ying jin) OR (yang yang))) OR (yang judy)) ((yang fan) OR (yang di)) ;~.
• Adding a wildcard symbol may retrieve word variants: one case drama auch die ((((ying jin) or (yang yang))) or (yang judy)) ((yang fan) or (yang di)) ;*.