Perhaps you should try some spelling variations:
international efforts » international airports, international energy, international airport
integration theories » integration theory, integration through, integration efforts
agri international » age international, care international, war international
price integration » service integration, policy integration, trade integration
support price » support process, support policy, export price
support agri » support grid, support a

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