Perhaps you should try some spelling variations:
"support can international efforts." » "support can international airports.", "support can international energy.", "support can international airport.", "support main international efforts.", "support oman international efforts.", "support den international efforts.", "support chuan international efforts.", "support bank international efforts.", "support a international 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."

Try widening your search to All Fields.

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