Perhaps you should try some spelling variations:
"import duty integration process." » "import duty reintegration process.", "import duty migration process.", "import duty innovation process.", "import dutch integration process.", "import data integration process.", "import why integration process.", "import duties integration process."
"supply grid conservation efforts." » "supply aid conservation efforts.", "supply good conservation efforts.", "supply grass conservation efforts.", "supply crowd conservation efforts.", "supply great conservation efforts.", "support grid conservation efforts."

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

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