Perhaps you should try some spelling variations:
leaving china » teaching china, leaving behind, leaving things
file sharing » risk sharing
rule sharing » able sharing, false sharing, value sharing
living china » living things
dong di » dong sin
di da » da da
da a » das a, da da, daf a

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong di da a ((rule sharing) or (file sharing)) ((leaving china) OR (living china)) sea ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong di da a ((rule sharing) OR (file sharing)) ((leaving china) OR (living china)) sea ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong di da a ((rule sharing) or (file sharing)) ((leaving china) OR (living china)) sea ;".
• Adding a wildcard symbol may retrieve word variants: dong di da a ((rule sharing) or (file sharing)) ((leaving china) OR (living china)) sea ;*.