Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dat cho duc snippets" » "dac cho duc snippets", "day cho duc snippets", "dan cho duc snippets", "dat cho duoc snippets", "dat ho duc snippets", "dat tho duc snippets", "dat cho 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: (((("dat cho 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: (((("dat cho duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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