Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc doi duan snippets" » "hoc doi dan snippets", "hoc doi doanh snippets", "hoc doi duong snippets", "hoc dai duan snippets", "hoc noi duan snippets", "hoc moi duan snippets", "hoc doi duan 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 ("hoc doi duan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hoc doi duan snippets"))) OR ("locating bug code snippets")).
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