Perhaps you should try some spelling variations:
"support g20 international efforts." » "support g20 international airports.", "support g20 international energy.", "support g20 international airport.", "support 2020 international efforts.", "support 2 international efforts.", "support 10 international efforts.", "support g international efforts."
"support create conservation efforts." » "support related conservation efforts.", "support area conservation efforts.", "support create constellations efforts.", "support greater conservation efforts.", "support credits conservation efforts.", "support climate conservation efforts."

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: (("support create conservation efforts.") OR ("support g20 international efforts."))~.
• Removing quotes may allow a broader search: (( support create conservation efforts. ) or ( support g20 international efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support create conservation efforts.") or ("support g20 international efforts."))*.