Perhaps you should try some spelling variations:
"supply canada irrigation systemss." » "supply canada irrigation systems.", "supply canada irrigation system.", "supply canada irrigation schemes.", "supply canal irrigation systemss.", "supply narmada irrigation systemss.", "supply managed irrigation systemss."
"supply basin irrigation scheme." » "supply basin irrigation systems.", "supply drip irrigation scheme.", "supply canal irrigation scheme.", "supply farm irrigation scheme.", "supply asia irrigation scheme.", "supply based irrigation scheme.", "supply design irrigation scheme."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply basin irrigation scheme.") or ("supply canada irrigation systemss."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply basin irrigation scheme.") OR ("supply canada irrigation systemss.")).
• Removing quotes may allow a broader search: (( supply basin irrigation scheme. ) or ( supply canada irrigation systemss. )).
• Adding a wildcard symbol may retrieve word variants: (("supply basin irrigation scheme.") or ("supply canada irrigation systemss."))*.