Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
rent sharing » risk sharing, rent seeking
dong yang » dong hoang, yang yang, dan yang
wang yang » wang yan, wang liang, wang yanling
jin song » jie song, john song, kim song
song shu » cong shu, song shin, tong shui
ka hua » ya hua, ka chuan

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: ((dong yang) OR (wang yang)) ka hua ((rent sharing) OR (cost sharing)) jin song shu ;~.
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (wang yang)) ka hua ((rent sharing) or (cost sharing)) jin song shu ;*.