Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thi phan duc snippets" » "thai phan duc snippets", "thi phap duc snippets", "tai phan duc snippets", "thi pham duc snippets", "thi phan tu snippets", "thi phan dau snippets", "thi 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: (((("thi 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: (((("thi phan duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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