Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dat dau len snippets" » "dat dai len snippets", "bat dau len snippets", "dat cau len snippets", "dat dam len snippets", "dat dau tien snippets", "dat dau luan snippets", "dat dau len 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: (((("dat dau len snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat dau len snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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