Perhaps you should try some spelling variations:
sharing mining » sharing during, sharing learning
cost sharing » risk sharing, cost savings
mining cong » mining coal, mining china, mining costs
dong nan » dong yang, dong sin, dong cao
dong bin » dong sin, dann bin
dong di » dong sin
up cost » up costs

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong nan) or (((dong bin) OR (dong di)))) ya up cost sharing mining cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong nan) OR (((dong bin) OR (dong di)))) ya up cost sharing mining cong shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong nan) or (((dong bin) OR (dong di)))) ya up cost sharing mining cong shu ;".
• Adding a wildcard symbol may retrieve word variants: ((dong nan) or (((dong bin) OR (dong di)))) ya up cost sharing mining cong shu ;*.