Perhaps you should try some spelling variations:
sharing risk » sharing best, during risk
cost sharing » risk sharing, cost savings
dong sign » dong sin, among sign, dong bin
risk dang » risk danger, risk anp, risk data
dang hadi » dang hai
dong cao » dong xiao, dan cao, dong nan
ka a » kai a, a a, k a

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)) ka a cost sharing risk dang hadi ;~.
• Adding a wildcard symbol may retrieve word variants: ((dong cao) or (dong sign)) ka a cost sharing risk dang hadi ;*.