Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing oil » sharing our, sharing big, sharing his
wang yidan » wang yan
long chain » long chemin, long grain
long thanh » luong thanh, long trinh, truong thanh
long han » long haul, jeong han, kong hang
oil long » oil line
long arm » long term

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: wang yidan ((long chain) OR (((long han) OR (long thanh)))) cost sharing oil long arm ;~.
• Adding a wildcard symbol may retrieve word variants: wang yidan ((long chain) or (((long han) or (long thanh)))) cost sharing oil long arm ;*.