Perhaps you should try some spelling variations:
change ghana » exchange ghana, change change, ghana ghana
cost sharing » risk sharing, cost savings
sharing food » sharing hold, securing food, sharing covid
thang ghana » ghana ghana
can cost » can costa, can lost, can post
kong » long, hong, ong

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: binh ((thang ghana) OR (change ghana)) can cost sharing food (kong OR pong) (sar OR saur) ;~.
• Adding a wildcard symbol may retrieve word variants: binh ((thang ghana) or (change ghana)) can cost sharing food (kong or pong) (sar or saur) ;*.