Perhaps you should try some spelling variations:
sample sharing » samples scoring, able sharing, sample chain
leaving china » living china, teaching china, leaving behind
rule sharing » file sharing, able sharing, false sharing
china sea » china asean
dong bin » dong sin, dann bin
dong di » dong sin
e a » et 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 bin) OR (dong di)) e a ((rule sharing) or (sample sharing)) leaving china sea ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong bin) OR (dong di)) e a ((rule sharing) OR (sample sharing)) leaving china sea ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong bin) OR (dong di)) e a ((rule sharing) or (sample sharing)) leaving china sea ;".
• Adding a wildcard symbol may retrieve word variants: ((dong bin) OR (dong di)) e a ((rule sharing) or (sample sharing)) leaving china sea ;*.