Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phi doi tuan snippets" » "phi do tuan snippets", "phi doi tan snippets", "phi doi tuong snippets", "phi loi tuan snippets", "phu doi tuan snippets", "khi doi tuan snippets", "phi doi tuan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phi doi tuan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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