Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dan duc phan snippets" » "dan dung phan snippets", "dan duc thang snippets", "dan duc phung snippets", "dang duc phan snippets", "dao duc phan snippets", "van duc phan snippets", "dan duc phan 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: (((("dan duc phan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan duc phan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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