Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing tan » sharing tags, sharing a, sharing bad
liang yong » wang yong, liang liying
liang ying » liang liying, huang ying, zhang ying
cai cost » c cost, c2 cost, ii cost
long seo » hong seo, long ago, long des
long arm » long term

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 ((liang yong) OR (liang ying)) cai cost sharing tan ((long seo) OR (long arm)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((liang yong) or (liang ying)) cai cost sharing tan ((long seo) or (long arm)) ;*.