Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nap dang duc snippets" » "nam dang duc snippets", "nao dang duc snippets", "nhan dang duc snippets", "nap dang quoc snippets", "nap dao duc snippets", "nap dang su snippets", "nap dang 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: (((("nap dang 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: (((("nap dang duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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