Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
zhang zhang » zhen zhang, cheng zhang, zhang fang
wang zheng » wang zhenpo, fang sheng, fang zhen
tang zheng » fang sheng, fang zhen, tan cheng
ying eu » ying zhu, using eu, ying hua
eu cost » au costa, der cost, end cost
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 zheng) OR (tang zheng))) OR (zhang zhang)) ying eu cost sharing best cong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wang zheng) OR (tang zheng))) or (zhang zhang)) ying eu cost sharing best cong shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((((wang zheng) OR (tang zheng))) or (zhang zhang)) ying eu cost sharing best cong shu ;*.