Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"vit nhan van snippets" » "vit ngan van snippets", "vien nhan van snippets", "viet nhat van snippets", "vit nhan dan snippets", "vit nhan va snippets", "vit phan van snippets", "vit nhan van 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: (((("python using java snippets") or ("vit nhan van snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("vit nhan van snippets"))) OR ("locating bug code snippets")).
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