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 thanh » luong thanh, long trinh, truong thanh
long can » long chain, long call, long span
long han » long chain, long haul, jeong han
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 can) OR (((long han) OR (long thanh)))) cost sharing oil long arm ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yidan ((long can) or (((long han) OR (long thanh)))) cost sharing oil long arm ;~".
• Adding a wildcard symbol may retrieve word variants: wang yidan ((long can) or (((long han) OR (long thanh)))) cost sharing oil long arm ;*.