Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing hold » sharing food, sharing home, sharing how
ying chang » jin chang, yi chang, yin hang
chang yang » chen yang, wang yang, zhang yan
yang iran » yang dean, yang fan
iran cost » urban cost, iran case, can cost

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: ying chang yang iran cost sharing hold (kong OR long) (sar OR saur) ;~.
• Adding a wildcard symbol may retrieve word variants: ying chang yang iran cost sharing hold (kong or long) (sar or saur) ;*.