Perhaps you should try some spelling variations:
"support trade integrating policies." » "support trade integration policies.", "support trade integrated policies.", "support trade integrating positive.", "support true integrating policies.", "support drama integrating policies.", "support trainer integrating policies.", "export trade integrating policies.", "import trade integrating policies."
"support can irrigation schemes." » "support can irrigation scheme.", "support can irrigation systems.", "support canal irrigation schemes.", "support tank irrigation schemes.", "support change irrigation schemes.", "support chuan irrigation schemes.", "support bank irrigation schemes.", "support a 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 can irrigation schemes.") or ("support trade integrating policies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support can irrigation schemes.") OR ("support trade integrating policies."))*.
• Removing quotes may allow a broader search: (( support can irrigation schemes. ) or ( support trade integrating policies. ))*.