Perhaps you should try some spelling variations:
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets", "python using data slippers"
"dung co lay snippets" » "dung cho lay snippets", "dung cong lay snippets", "dung cua lay snippets", "dung co may snippets", "dung co lao snippets", "dung co ly snippets", "dung co lay 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: (((("python using data snippets") or ("dung co lay snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("dung co lay snippets"))) OR ("locating bug code snippets")).
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