Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"van duc thap snippets" » "van duc phap snippets", "van duc thah snippets", "van duc thai snippets", "van duy thap snippets", "van du thap snippets", "tran duc thap snippets", "van duc thap 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 ("van duc thap snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van duc thap snippets"))) OR ("locating bug code snippets")).
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