Perhaps you should try some spelling variations:
sharing risk » sharing best, during risk
cost sharing » risk sharing, cost savings
wang luhang » wang liang, wang lihong, wang yuhan
wang zhang » wang zheng, zhang zhang, wang liang
risk cong » risk coping, risk among, risk along
zhu cost » eu cost

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang zhang) OR (wang luhang)) ying zhu cost sharing risk cong shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang zhang) OR (wang luhang)) ying zhu cost sharing risk cong shu ;*.