Perhaps you should try some spelling variations:
"men trong dan snippets" » "ben trong dan snippets", "me trong dan snippets", "men tong dan snippets", "men trong dang snippets", "men trong san snippets", "men trong tan snippets", "men trong dan slippers"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets", "python using raw 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: (((("men trong dan snippets") or ("python using raw snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("men trong dan snippets") OR ("python using raw snippets"))) OR ("locating bug code snippets")).
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