Perhaps you should try some spelling variations:
"supply charge conservation efforts." » "supply charge construction efforts.", "supply carbone conservation efforts.", "supply energy conservation efforts.", "supply charges conservation efforts.", "supply chain conservation efforts.", "supply chains conservation efforts."
"supply firms integration efforts." » "supply firms international efforts.", "supply dis integration efforts.", "supply res integration efforts.", "supply focus integration efforts.", "supply farm integration efforts.", "supply reforms integration efforts.", "support firms 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: (("supply charge conservation efforts.") or ("supply firms integration efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply charge conservation efforts.") OR ("supply firms integration efforts.")).
• Removing quotes may allow a broader search: (( supply charge conservation efforts. ) or ( supply firms integration efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("supply charge conservation efforts.") or ("supply firms integration efforts."))*.