Perhaps you should try some spelling variations:
"supply trade conservation efforts." » "supply trade cooperation efforts.", "supply scale conservation efforts.", "supply marine conservation efforts.", "supply side conservation efforts.", "supply case conservation efforts."
"support group integration social." » "support group international social.", "support grid integration social.", "support run integration social.", "support through integration social.", "support from integration social.", "support grant integration social."

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

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