Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"sat thu len snippets" » "sat thuc len snippets", "sat thi len snippets", "dat thu len snippets", "sat thu les snippets", "sat thu hien snippets", "sat thu dien snippets", "sat thu 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: (((("sat thu 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: (((("sat thu len snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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