Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » sharing best, during risk
risk cong » risk coping, risk among, risk along
wing yan » wang yan, wing ian, wing tan
yang hui » yang jui, yang muxi, zhang hui
wang hui » wang zhi, wang wei, wang he

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: wing yan ((wang hua) OR (((yang hui) OR (wang hui)))) cost sharing risk cong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan ((wang hua) or (((yang hui) OR (wang hui)))) cost sharing risk cong shu ;~".
• Adding a wildcard symbol may retrieve word variants: wing yan ((wang hua) or (((yang hui) OR (wang hui)))) cost sharing risk cong shu ;*.