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, pain long, plan long
van long » pain long, plan long, un long
tan long » tan hong, tan kong, tan yong
long ago » long arm
wang » wing, wan, lang

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan long) OR (van long)) iran cost sharing tan long ago ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yan long) OR (van long)) iran cost sharing tan long ago ;*.