Perhaps you should try some spelling variations:
"support distorts integration efforts." » "support historical integration efforts.", "support platforms integration efforts.", "support systems integration efforts.", "support distorts international efforts.", "support distorts conservation efforts.", "support efforts 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.

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