Perhaps you should try some spelling variations:
teaching china » teaching doing
leaving china » living china, leaving behind, leaving things
rule sharing » file sharing, able sharing, false sharing
dong bin » dong sin, dong di, dann bin
bin et » bilan et, robin et
a rule » _ rule
et a » et al, et la, e a

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 bin et a rule sharing ((leaving china) OR (teaching china)) sea ;~.
• Adding a wildcard symbol may retrieve word variants: dong bin et a rule sharing ((leaving china) or (teaching china)) sea ;*.