Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing tan » sharing tags, sharing a, sharing bad
iran cost » urban cost, iran case, can cost
yan long » yan cong, plan long, yan liang
van long » plan long, un long, van hung
tan long » tan hong, tan kong, tan yong
long ago » long arm
wang » wing, wan, lang
pain » spain, main, gain

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: wang ((((yan long) OR (van long))) OR (pain long)) iran cost sharing tan long ago ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((((yan long) or (van long))) or (pain long)) iran cost sharing tan long ago ;*.