Perhaps you should try some spelling variations:
international efforts » international airports, international energy, international airport
south international » youth international, fourth international, sixth international
irrigation schemes » irrigation scheme, irrigation systems
rural irrigation » murray irrigation, canal irrigation, gray irrigation
supply rural » supply curve
supply south » supply southern, supply costs, supply cost

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: (( supply rural irrigation schemes. ) OR ( supply south international efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply rural irrigation schemes. ) or ( supply south international efforts. ))*.