Perhaps you should try some spelling variations:
"dung len code snippets" » "dung lbm code snippets", "dung len con snippets", "dung len cong snippets", "dung nen code snippets", "dung le code snippets", "dung luan code snippets", "dung len code slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using a snippets") or ("dung len code snippets"))) or ("locating bug code snippets"))~.
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