Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phan hoc duc snippets" » "phap hoc duc snippets", "phan hoa duc snippets", "phau hoc duc snippets", "phan hoc duoc snippets", "phan hoc nuoc snippets", "phan hoc thuc snippets", "phan hoc duc 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: (((("phan hoc duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan hoc duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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