Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » sharing best, during risk
wang zhang » wang zheng, wang luhang, zhang zhang
risk hong » risk among, risk along, risk how
ying hua » ming hua, wang hua, ying zhu
hong shu » cong shu, tong shui, wong shiu
ying eu » ying zhu, using eu

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 zhang ((ying eu) OR (ying hua)) cost sharing risk hong shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang zhang ((ying eu) OR (ying hua)) cost sharing risk hong shu ;*.