Perhaps you should try some spelling variations:
"support trade integration schemes." » "support trade integration schengen.", "support trade integration regimes.", "support trade integration some.", "support trainer integration schemes.", "export trade integration schemes.", "import trade integration schemes."
"support grant irrigation schemes." » "support grant irrigation scheme.", "support grant irrigation systems.", "support grain irrigation schemes.", "support gray irrigation schemes.", "support gravity 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: (("support trade integration schemes.") or ("support grant irrigation schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support trade integration schemes.") OR ("support grant irrigation schemes."))*.
• Removing quotes may allow a broader search: (( support trade integration schemes. ) or ( support grant irrigation schemes. ))*.