Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nghe hoc phi snippets" » "nghe hoa phi snippets", "nghe hoi phi snippets", "nghe moc phi snippets", "nghe hoc pho snippets", "nghe hoc chi snippets", "nghe hoc khi snippets", "nghe hoc phi 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: (((("nghe hoc phi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nghe hoc phi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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