Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing big » sharing bad, sharing his, sharing oil
wang yang » wang yan, wang liang, wang yanling
tan yang » dan yang, tan yong, tao yang
tan ying » fan ying, ran ying, tan yong
hua cost » a cost, eu cost, run cost
big song » big bang, big sort
song shu » cong shu, song shin, tong shui

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 (tan ying))) OR (wang yang)) hua cost sharing big song shu ;~.
• Adding a wildcard symbol may retrieve word variants: wing ((((tan yang) or (tan ying))) or (wang yang)) hua cost sharing big song shu ;*.