Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing tan » sharing tags, sharing a, sharing bad
wang wang » wang yang, wang liang, wang yan
yang hui » yang jui, wang hui, yang muxi
dong hua » tong hui, dong hoi, dong xu
tan long » tan hong, tan kong, tan yong
long des » longum des, long days, long did

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 wang ((yang hui) OR (((dong hua) OR (wang hua)))) cost sharing tan long des ;~.
• Adding a wildcard symbol may retrieve word variants: wang wang ((yang hui) or (((dong hua) or (wang hua)))) cost sharing tan long des ;*.