Perhaps you should try some spelling variations:
"supply ocean observation efforts." » "supply ocean conservation efforts.", "supply ocean conservation effort.", "supply ocean observation networks.", "supply cai observation efforts.", "supply cao observation efforts.", "supply chain observation efforts.", "supply oecd observation efforts.", "supply chai observation efforts."
"supply european integration social." » "supply european international social.", "supply europe integration social.", "survey european 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 european integration social.") or ("supply ocean observation efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply european integration social.") OR ("supply ocean observation efforts.")).
• Removing quotes may allow a broader search: (( supply european integration social. ) or ( supply ocean observation efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("supply european integration social.") or ("supply ocean observation efforts."))*.