Perhaps you should try some spelling variations:
"supply raise international policies." » "supply raise international politics.", "supply raise international prices.", "supply raise international policy.", "supply risk international policies.", "supply rate international policies.", "supply care international policies.", "supply case international policies.", "supply side international policies.", "supply asset international policies."
"supply scale irrigation schemes." » "supply scale irrigation scheme.", "supply scale irrigation systems.", "supply case irrigation schemes.", "supply scheme irrigation schemes.", "supply social irrigation schemes."

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

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