Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoi xuan duc snippets" » "ho xuan duc snippets", "hoi luan duc snippets", "hoi xuat duc snippets", "hoi tran duc snippets", "hoi phan duc snippets", "hoi xuan huy snippets", "hoi xuan 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: (((("hoi xuan 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: (((("hoi xuan duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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