Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
zhang zhang » zhen zhang, cheng zhang, zhang fang
wang zhang » wang zheng, wang luhang, wang liang
ying hua » ming hua, wang hua, ying zhu
ying eu » ying zhu, using eu
best » west
cong » congo, long, hong

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 zhang) OR (zhang zhang)) ((ying eu) OR (ying hua)) cost sharing best cong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang zhang) or (zhang zhang)) ((ying eu) OR (ying hua)) cost sharing best cong shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang zhang) or (zhang zhang)) ((ying eu) OR (ying hua)) cost sharing best cong shu ;*.