Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing minh » sharing mining, sharing gains, sharing links
dong sign » among sign, dong bin
dong cao » dong xiao, dan cao, dong nan
hua cost » a cost, eu cost, run cost
cong hai » hong hai, dang hai, cong van
sin » sind, skin, sein

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 cao) OR (((dong sign) OR (dong sin)))) ya hua cost sharing minh cong hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong cao) or (((dong sign) OR (dong sin)))) ya hua cost sharing minh cong hai ;~".
• Adding a wildcard symbol may retrieve word variants: ((dong cao) or (((dong sign) OR (dong sin)))) ya hua cost sharing minh cong hai ;*.