Perhaps you should try some spelling variations:
"support plans integration efforts." » "support plans international efforts.", "support plans conservation efforts.", "support means integration efforts.", "support banlkans integration efforts.", "support keegans integration efforts.", "support land integration efforts.", "support place integration efforts.", "support pilots integration efforts."
"import data irrigation schemes." » "import data irrigation scheme.", "import data irrigation systems.", "import delta irrigation schemes.", "import canal irrigation schemes.", "import water irrigation schemes.", "import duty irrigation schemes."

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

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