Perhaps you should try some spelling variations:
"supply options international efforts." » "supply options international airports.", "supply options international energy.", "supply options international airport.", "supply nations international efforts.", "supply positions international efforts.", "supply unions international efforts.", "supply conditions international efforts.", "supply functions international efforts.", "supply equations international efforts."
"support data irrigation schemes." » "support data irrigation scheme.", "support data irrigation systems.", "support delta irrigation schemes.", "support canal irrigation schemes.", "support water irrigation schemes.", "support a irrigation schemes.", "support de 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: (("support data irrigation schemes.") or ("supply options international efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support data irrigation schemes.") OR ("supply options international efforts."))*.
• Removing quotes may allow a broader search: (( support data irrigation schemes. ) or ( supply options international efforts. ))*.