Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"vung doi duc snippets" » "dung doi duc snippets", "vong doi duc snippets", "vung dong duc snippets", "vung do duc snippets", "vung doi duy snippets", "vung oi duc snippets", "vung doi 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: (((("vung doi 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: (((("vung doi duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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