Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khop noi duc snippets" » "khoa noi duc snippets", "khoi noi duc snippets", "hoc noi duc snippets", "khop noi luc snippets", "khop noi suc snippets", "khop oi duc snippets", "khop noi 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: (((("khop noi 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: (((("khop noi duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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