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
tong shui » tong hui, cong shu, gong hui
wong shiu » wong siu, cong shu, song shin
ding der » dinge der, dinge des

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 ((ying der) OR (ding der)) cost sharing risk ((tong shui) OR (wong shiu)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang zhang ((ying der) or (ding der)) cost sharing risk ((tong shui) or (wong shiu)) ;*.