Perhaps you should try some spelling variations:
dong sein » dong wei, ong sean
yulu chen » yu chen
chen ping » chen rong, chen yang, chen wang
dong bin » dong di, dann bin
ping liu » ping lin, dong liu, ping jia
liu wang » liu yang, li wang, liu gang
wang yue » wong yue, wang hua, wang yan

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: ((((dong sein) OR (dong bin))) OR (dong sin)) dann yulu chen ping liu wang yue ;~.
• Adding a wildcard symbol may retrieve word variants: ((((dong sein) or (dong bin))) or (dong sin)) dann yulu chen ping liu wang yue ;*.