Perhaps you should try some spelling variations:
"import trade conservation efforts." » "import trade cooperation efforts.", "import scale conservation efforts.", "import marine conservation efforts.", "export trade conservation efforts.", "import price conservation efforts.", "import taxes conservation efforts."
"supply can integration series." » "supply can integration theories.", "supply can integrating services.", "supply can integration schemes.", "supply chain integration series.", "supply care integration series.", "supply urban integration series.", "supply case integration series.", "supply a integration series."

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

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