Perhaps you should try some spelling variations:
"international critical aviation organization" » "international edition aviation organization", "international credit aviation organization", "international critical action organizations"
"international criminal aviation organization" » "international criminal action organizations", "international original aviation organization"
"international political aviation organization" » "international political action organizations"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("international criminal aviation organization") OR ("international critical aviation organization"))) or ("international political aviation organization"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("international criminal aviation organization") OR ("international critical aviation organization"))) OR ("international political aviation organization")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"international criminal aviation organization\") OR (\"international critical aviation organization\"))) or (\"international political aviation organization\"))".
• Removing quotes may allow a broader search: (((( international criminal aviation organization ) OR ( international critical aviation organization ))) or ( international political aviation organization )).
• Adding a wildcard symbol may retrieve word variants: (((("international criminal aviation organization") OR ("international critical aviation organization"))) or ("international political aviation organization"))*.