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