Perhaps you should try some spelling variations:
risk securing » risk scoring, risk security, risk executing
securing food » security food, measuring food, securing land
ying wang » ping wang, ying yang, ying chang
wang yang » wang yan, wang liang, wang yanling
food long » food loss
yang fan » zhang fan, yang dean, yang yang
fan risk » can risk, yan risk, main risk

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: ying wang yang fan risk securing food long (sar OR saur) ;~.
• Adding a wildcard symbol may retrieve word variants: ying wang yang fan risk securing food long (sar or saur) ;*.