Perhaps you should try some spelling variations:
"Etudes de first international" » "Etudes die first international", "Etudes ide first international", "Etudes he first international"
"Etudes de 1st international" » "Etudes me 1st international", "Etudes de 1sten international", "Etudes made 1st international"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Etudes de 1st international\") OR (\"Etudes de first international\"))".
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