Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » sharing best, during risk
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
wong shiu » cong shu, song shin, wong sau
wong siu » kong siu, wong sau, wong siew
yang xi » yang di, yang yi, yang jui
xi cost » ii cost, di costo, die 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: wang liang yang xi cost sharing risk ((wong shiu) OR (wong siu)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang yang xi cost sharing risk ((wong shiu) or (wong siu)) ;*.