Perhaps you should try some spelling variations:
sharing risk » sharing best, during risk
cost sharing » risk sharing, cost savings
zhang xin » zhang jian, zhang ming, zhang fan
zhang jin » zhang jian, zhang jing, shang jin
risk cong » risk coping, risk among, risk along
end cost » end close, land cost, end iot

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 ((zhang xin) OR (zhang jin)) end cost sharing risk cong shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((zhang xin) or (zhang jin)) end cost sharing risk cong shu ;*.