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