Perhaps you should try some spelling variations:
integrating countries » importing countries, immigration countries, integrating culture
toward integrating » towards integration, toward integrated, towards integrated
irrigation schemes » irrigation scheme, irrigation systems
supply toward » support toward
supply scale » supply case, supply scheme, supply social

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply toward integrating countries. ) or ( supply scale irrigation schemes. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply toward integrating countries. ) OR ( supply scale irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (( supply toward integrating countries. ) or ( supply scale irrigation schemes. ))*.