Perhaps you should try some spelling variations:
"supply costs integration efforts." » "supply costs international efforts.", "supply costs conservation efforts.", "supply comes integration efforts.", "supply post integration efforts.", "supply focus integration efforts."
"supply syria irrigation schemes." » "supply syria irrigation scheme.", "supply syria irrigation systems.", "supply africa irrigation schemes.", "supply drip irrigation schemes.", "supply surge irrigation schemes.", "supply social irrigation schemes.", "supply sierra 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 costs integration efforts.") or ("supply syria irrigation schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply costs integration efforts.") OR ("supply syria irrigation schemes.")).
• Removing quotes may allow a broader search: (( supply costs integration efforts. ) or ( supply syria irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("supply costs integration efforts.") or ("supply syria irrigation schemes."))*.