Perhaps you should try some spelling variations:
"support private international transport." » "support private information transport.", "support finance international transport.", "supporting private international transport.", "support climate international transport.", "supply private international transport."
"support food conservation efforts." » "support good conservation efforts.", "support wood conservation efforts.", "support from conservation efforts.", "support follow conservation efforts.", "support funds 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 food conservation efforts.") or ("support private international transport."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support food conservation efforts.") OR ("support private international transport.")).
• Removing quotes may allow a broader search: (( support food conservation efforts. ) or ( support private international transport. )).
• Adding a wildcard symbol may retrieve word variants: (("support food conservation efforts.") or ("support private international transport."))*.