Perhaps you should try some spelling variations:
"supply based irrigation schemes." » "supply based irrigation scheme.", "supply based irrigation systems.", "supply basin irrigation schemes.", "supply water irrigation schemes.", "supply led irrigation schemes.", "supply case irrigation schemes.", "supplies based irrigation schemes.", "supply asia irrigation schemes."
"supply ida internal systems." » "supply ida referral systems.", "supply aa internal systems.", "supply lindh internal systems.", "supply data internal systems.", "supply india internal systems.", "supply iran internal systems.", "supply a internal systems."

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 ida internal systems.") OR ("supply based irrigation schemes."))~.
• Removing quotes may allow a broader search: (( supply ida internal systems. ) or ( supply based irrigation schemes. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply ida internal systems.") or ("supply based irrigation schemes."))*.