Perhaps you should try some spelling variations:
"support de international efforts." » "support de international airports.", "support de international energy.", "support de international airport.", "support e international efforts.", "support one international efforts.", "support age international efforts.", "support _ international efforts.", "support a international efforts.", "support 4 international efforts."
"support data irrigation systems." » "support delta irrigation systems.", "support canal irrigation systems.", "support water irrigation systems.", "support a 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 de international efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support data irrigation systems.") OR ("support de international efforts.")).
• Removing quotes may allow a broader search: (( support data irrigation systems. ) or ( support de international efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("support data irrigation systems.") or ("support de international efforts."))*.