Perhaps you should try some spelling variations:
rent sharing » risk sharing, rent seeking
cost sharing » risk sharing, cost savings
dong nana » dong nan, dong yang
among shu » cong shu, among eu, among sex
among sri » among sex, among di, among ers
nana yaa » nan ya, nan yan, nanay a
yaa hua » ya hua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: dong nana yaa hua ((rent sharing) OR (cost sharing)) risk ((among shu) or (among sri)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong nana yaa hua ((rent sharing) OR (cost sharing)) risk ((among shu) OR (among sri)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong nana yaa hua ((rent sharing) OR (cost sharing)) risk ((among shu) or (among sri)) ;*".