Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
car sharing » tax sharing, water sharing, data sharing
risk along » risk among, ask along
wang yang » wang yan, wang liang, wang yanling
yang jing » wang jing, yang jin, huang jing
jing head » big head
risk hong » risk among, risk how, risk bond

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang jing head ((car sharing) OR (cost sharing)) ((risk hong) or (risk along)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang jing head ((car sharing) OR (cost sharing)) ((risk hong) OR (risk along)) shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang jing head ((car sharing) OR (cost sharing)) ((risk hong) or (risk along)) shu ;*".