Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lam ngoc duc snippets" » "pham ngoc duc snippets", "lam nguoi duc snippets", "lang ngoc duc snippets", "lam ngo duc snippets", "lam ngoc dung snippets", "lam ngoc de snippets", "lam ngoc 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: (((("python using java snippets") or ("lam ngoc duc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("lam ngoc duc snippets"))) OR ("locating bug code snippets")).
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