Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cac doi duc snippets" » "cac dai duc snippets", "cac toi duc snippets", "cau doi duc snippets", "cac do duc snippets", "cac doi duy snippets", "cac oi duc snippets", "cac doi 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: (((("python using java snippets") or ("cac doi duc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cac doi duc snippets"))) OR ("locating bug code snippets")).
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