Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"luc son luon snippets" » "luc son duong snippets", "luc von luan snippets", "luc son con snippets", "lac son luon snippets", "luc sang luon snippets", "quoc son luon snippets", "luc son luon 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: (((("luc son luon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc son luon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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