Perhaps you should try some spelling variations:
"supporting urban integration efforts." » "supporting urban international efforts.", "supporting european integration efforts.", "supporting urban migration efforts.", "supporting chain integration efforts.", "supporting carbon integration efforts.", "supporting human integration efforts.", "supporting green integration efforts."
"support good conservation efforts." » "support wood conservation efforts.", "support good conversation efforts.", "support good conversations efforts.", "support food conservation efforts.", "support grid conservation efforts.", "support group conservation efforts."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support good conservation efforts.") or ("supporting urban integration efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support good conservation efforts.") OR ("supporting urban integration efforts."))*.
• Removing quotes may allow a broader search: (( support good conservation efforts. ) or ( supporting urban integration efforts. ))*.