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