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

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

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