Perhaps you should try some spelling variations:
"support pilots integration efforts." » "support pilots international efforts.", "support pilots conservation efforts.", "support pilot reintegration efforts.", "support its integration efforts.", "support options integration efforts.", "support plans integration efforts.", "support distorts integration efforts.", "support patients 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 pilots integration efforts."))~.
• Removing quotes may allow a broader search: (( import data irrigation schemes. ) or ( support pilots integration efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("import data irrigation schemes.") or ("support pilots integration efforts."))*.