Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
car sharing » tax sharing, water sharing, data sharing
wong shiu » wong siu, cong shu, song shin
wing yan » wang yan, wing ian, wing tan
yan yang » yang yang, yao yang, dan yang
yang fan » zhang fan, yang dean, yang yang
longa 2 » long 2

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan yang fan ((car sharing) OR (cost sharing)) a ((wong shiu) or (longa 2)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan yang fan ((car sharing) OR (cost sharing)) a ((wong shiu) OR (longa 2)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan yang fan ((car sharing) OR (cost sharing)) a ((wong shiu) or (longa 2)) ;*".