Perhaps you should try some spelling variations:
"support group international efforts." » "support group international airports.", "support group international energy.", "support group international airport.", "support from international efforts.", "support how international efforts.", "support do international efforts.", "support grant international efforts."
"supply trade irrigation scheme." » "supply trade irrigation systems.", "supply pradesh irrigation scheme.", "supply scale irrigation scheme.", "supply spate irrigation scheme.", "supply side irrigation scheme.", "supply case irrigation scheme."

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

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