Perhaps you should try some spelling variations:
"supply crowd conservation efforts." » "supply from conservation efforts.", "supply good conservation efforts.", "supply soil conservation efforts.", "supply growth conservation efforts.", "supply cost conservation efforts.", "supply how conservation efforts."
"supply side integration series." » "supply side integration theories.", "supply side integrating services.", "supply side integration schemes.", "supply trade integration series.", "supply asian integration series.", "supply grid integration series."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply crowd conservation efforts.") OR ("supply side integration series."))~.
• Removing quotes may allow a broader search: (( supply crowd conservation efforts. ) or ( supply side integration series. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply crowd conservation efforts.") or ("supply side integration series."))*.