Perhaps you should try some spelling variations:
"supply side international efforts." » "supply side international airports.", "supply side international energy.", "supply side international airport.", "supply some international efforts.", "supply time international efforts.", "supply eine international efforts."
"supply case irrigation system." » "supply case irrigation systems.", "supply case irrigation water.", "supply case irrigation scheme.", "supply scale irrigation system.", "supply use irrigation system.", "supply change irrigation system.", "supply cost irrigation system.", "supply chain irrigation system.", "supply curve irrigation system."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply side international efforts.") or ("supply case irrigation system."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply side international efforts.") OR ("supply case irrigation system."))*.
• Removing quotes may allow a broader search: (( supply side international efforts. ) or ( supply case irrigation system. ))*.