Perhaps you should try some spelling variations:
international efforts » international airports, international energy, international airport
agri conservation » negro conservation, bird conservation, aid conservation
how international » new international, law international, 1 international
support agri » support grid, support aging, support a
support how » support had, support his, support come

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 how international efforts. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support agri conservation efforts. ) OR ( support how international efforts. )).
• Adding a wildcard symbol may retrieve word variants: (( support agri conservation efforts. ) or ( support how international efforts. ))*.