Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » sharing best, during risk
wang yang » wang yan, wang liang, wang yanling
yang ying » yang yang, yang jing, huang ying
tong shui » tong hui, cong shu, gong hui
wong shiu » wong siu, cong shu, song shin
ying end » big end
end cost » end close, land cost, end iot

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