Perhaps you should try some spelling variations:
sharing risk » sharing best
during risk » using risk, during crises, during crisis
wang zhang » wang zheng, wang luhang, zhang zhang
zhang ming » zhang xin
can cost » can costa, can lost, chain cost
can post » can lost, can past, can postal
tong hui » wang hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang zhang ming ((can cost) or (can post)) ((sharing risk) or (during risk)) tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang zhang ming ((can cost) OR (can post)) ((sharing risk) OR (during risk)) tong hui ;.
• Adding a wildcard symbol may retrieve word variants: wang zhang ming ((can cost) or (can post)) ((sharing risk) or (during risk)) tong hui ;*.