Perhaps you should try some spelling variations:
"support plans international efforts." » "support plans international airports.", "support plans international energy.", "support plans international airport.", "support plants international efforts.", "support places international efforts.", "support laws international efforts.", "support land international efforts.", "support place international efforts.", "support pilots international efforts."
"support data irrigation systems." » "support delta irrigation systems.", "support canal irrigation systems.", "support water irrigation systems.", "support a irrigation systems.", "support de irrigation systems.", "support data irrigation system."

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