Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » trading risk
dong yang » dong hoang, wang yang, yang yang
among shu » among sex
among sri » among sex
yang yaa » yang yang, wang yan, yang yi
hua cost » a cost, up cost, run cost

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong yang yaa hua cost sharing risk ((among shu) or (among sri)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang yaa hua cost sharing risk ((among shu) OR (among sri)) ;.
• Adding a wildcard symbol may retrieve word variants: dong yang yaa hua cost sharing risk ((among shu) or (among sri)) ;*.