Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tim ninh duc snippets" » "tim binh duc snippets", "tinh ninh duc snippets", "kiem ninh duc snippets", "tim minh duc snippets", "tim dinh duc snippets", "tim tinh duc snippets", "tim ninh 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: (((("tim ninh 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: (((("tim ninh duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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