Perhaps you should try some spelling variations:
sharing risk » sharing best, during risk
zheng ying » zheng rong, cheng bing, cheng ling
zhang ying » zhang ming, zhang jing, zhang ping
risk tong » risk among, risk along
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 ((zheng ying) OR (zhang ying)) ((can cost) or (can post)) sharing risk tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((zheng ying) OR (zhang ying)) ((can cost) OR (can post)) sharing risk tong hui ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((zheng ying) OR (zhang ying)) ((can cost) or (can post)) sharing risk tong hui ;".
• Adding a wildcard symbol may retrieve word variants: wang ((zheng ying) OR (zhang ying)) ((can cost) or (can post)) sharing risk tong hui ;*.