Perhaps you should try some spelling variations:
"nao doi code snippets" » "nao doi cong snippets", "nao doi co snippets", "nao doi de snippets", "nam doi code snippets", "nao noi code snippets", "tao doi code snippets", "nao doi 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: (((("nao doi code snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
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