Perhaps you should try some spelling variations:
sharing risk » sharing best, during risk
wang luhang » wang liang, wang lihong, wang yuhan
luhang ying » huang ying, liang ying, zhang ying
risk cong » risk coping, risk among, risk along
der cost » oder cost, user cost, debt cost
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 luhang ying ((der cost) OR (end cost)) sharing risk cong shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang luhang ying ((der cost) or (end cost)) sharing risk cong shu ;*.