Perhaps you should try some spelling variations:
"support ndc international airport." » "support ndc international transport.", "support ndc international airshow.", "support etc international airport.", "support tec international airport.", "support apec international airport.", "support de international airport.", "support new international airport.", "support add international airport."
"support agri conservation efforts." » "support negro conservation efforts.", "support bird conservation efforts.", "support aid conservation efforts.", "support grid conservation efforts.", "support aging conservation efforts.", "support a 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 agri conservation efforts.") or ("support ndc international airport."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support agri conservation efforts.") OR ("support ndc international airport.")).
• Removing quotes may allow a broader search: (( support agri conservation efforts. ) or ( support ndc international airport. )).
• Adding a wildcard symbol may retrieve word variants: (("support agri conservation efforts.") or ("support ndc international airport."))*.