Perhaps you should try some spelling variations:
"carry potter and the philosopher's stone" » "carry potter and the philosophers's stone", "carry potter and the philosophy's stone"
"carry potter and the philosophies's stone" » "carry potter and the philosophers's stone", "carry potter and the philosophical's stone", "carry potter and the philosophy's stone"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("carry potter and the philosopher's stone") OR ("carry potter and the philosophies's stone"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"carry potter and the philosopher's stone\") OR (\"carry potter and the philosophies's stone\"))".
• Removing quotes may allow a broader search: (( carry potter and the philosopher's stone ) OR ( carry potter and the philosophies's stone )).
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