Perhaps you should try some spelling variations:
first international » 1st international, report international
irrigation system » irrigation systems, irrigation water, irrigation scheme
grid irrigation » grain irrigation, drip irrigation, gray irrigation
supply first » supply cost, supply from, supply 21st
supply grid » supply crowd, supply great, support grid

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

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