Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing bird » sharing bad, sharing big, sharing best
wang yang » wang yan, wang liang
bird tong » bird song, bild ton
tong shui » tong hui, cong shu, gong hui
tan yang » dan yang, tan ying, tan yong
hua cost » a cost, eu cost, run 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: wing ((tan yang) OR (((wang yang) OR (wang yanling)))) hua cost sharing bird tong shui ;~.
• Adding a wildcard symbol may retrieve word variants: wing ((tan yang) or (((wang yang) or (wang yanling)))) hua cost sharing bird tong shui ;*.