Perhaps you should try some spelling variations:
case scaling » class scaling, can scaling, case sharing
doing sin » dong sin, doing un, doing von
scaling a » scaling _, scaling up, scaling laws
sin kann » sein kann, wie kann, man kann
die case » die causes, five case, life case
yang jun » pang jun, yang jin, yang judy
yang jui » yang judy, yang xi
yang yi » yang xi

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: doing sin kann die case scaling a ((yang jun) OR (((((yang yi) OR (yang jui))) OR (yang di)))) ;~.
• Adding a wildcard symbol may retrieve word variants: doing sin kann die case scaling a ((yang jun) or (((((yang yi) or (yang jui))) or (yang di)))) ;*.