Perhaps you should try some spelling variations:
case dann » case anna, case anne, case das
one case » some case, one class, one phase
ying jin » yang jin, jing ji, yang jie
dong bin » dong sin, dong di, dann bin
dann li » dann bin
li chen » yi chen, jui chen
yang yi » yang xi, yang jui

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 dann li chen ((((ying jin) OR (dong bin))) OR (yang yi)) ((wang yan) OR (yang di)) ;~.
• Adding a wildcard symbol may retrieve word variants: one case dann li chen ((((ying jin) or (dong bin))) or (yang yi)) ((wang yan) or (yang di)) ;*.