Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"den toan day snippets" » "dien toan day snippets", "dan toan day snippets", "den tran day snippets", "den toan dam snippets", "den toan dai snippets", "den toan may snippets", "den toan day 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: (((("den toan day snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den toan day snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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