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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("international critical aviation organization") OR ("international original aviation organization"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"international critical aviation organization\") OR (\"international original aviation organization\"))".
• Removing quotes may allow a broader search: (( international critical aviation organization ) OR ( international original aviation organization )).
• Adding a wildcard symbol may retrieve word variants: (("international critical aviation organization") OR ("international original aviation organization"))*.