Perhaps you should try some spelling variations:
"support grant international airports." » "support grant international airport.", "support grant international transport.", "support grant international airshow.", "support ghana international airports.", "support plants international airports.", "support trade international airports."
"support falls integration efforts." » "support falls international efforts.", "support falls conservation efforts.", "support fare integration efforts.", "support facto integration efforts.", "support firms integration efforts.", "support tools integration 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 grant international airports.") OR ("support falls integration efforts."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"support grant international airports.\") OR (\"support falls integration efforts.\"))".
• Removing quotes may allow a broader search: (( support grant international airports. ) OR ( support falls integration efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("support grant international airports.") OR ("support falls integration efforts."))*.