Perhaps you should try some spelling variations:
"support policies integration efforts." » "support policy integration efforts.", "support political integration efforts.", "support social integration efforts.", "support policies international efforts.", "support policies conservation efforts."
"support trade integration efforts." » "support trade international efforts.", "support trade conservation efforts.", "export trade integration efforts.", "support grant integration efforts.", "import trade integration efforts."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support policies integration efforts.") or ("support trade integration efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support policies integration efforts.") OR ("support trade integration efforts."))*.
• Removing quotes may allow a broader search: (( support policies integration efforts. ) or ( support trade integration efforts. ))*.