Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phan duc tro snippets" » "pham duc tro snippets", "phan tu tro snippets", "phan dau tro snippets", "phan duc tho snippets", "phan duc tre snippets", "phan duc tao snippets", "phan duc tro 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: (((("phan duc tro snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan duc tro snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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