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
hong shu » cong shu, tong shui, wong shiu
ping eu » ping yu, ping ceo, using eu
ping ku » ping ke, ping yu

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