Perhaps you should try some spelling variations:
"supply building international efforts." » "supply banking international efforts.", "supply dumping international efforts.", "supply building information efforts.", "supply building international airports.", "supply building international energy.", "supply building international airport."
"supply scale irrigation schemes." » "supply scale irrigation scheme.", "supply scale irrigation systems.", "supply case irrigation schemes.", "supply scheme irrigation schemes.", "supply social irrigation schemes."

Try widening your search to All Fields.

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 building international efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply scale irrigation schemes.") OR ("supply building international efforts.")).
• Removing quotes may allow a broader search: (( supply scale irrigation schemes. ) or ( supply building international efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("supply scale irrigation schemes.") or ("supply building international efforts."))*.