Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » sharing best, during risk
tang zheng » wang zheng, fang sheng, fang zhen
zheng ying » zhang ying, zheng rong, cheng bing
tong shui » tong hui, cong shu, gong hui
wong shiu » wong siu, cong shu, song shin
ying der » ding der
der cost » oder cost, user cost, debt cost

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