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 hoc sa snippets" » "dong hoc sa snippets", "dung thuoc sa snippets", "trung hoc sa snippets", "dung hoc sau snippets", "dung hoc san snippets", "dung hoc sua snippets", "dung hoc sa 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: (((("dung hoc sa snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung hoc sa snippets") OR ("python using data snippets"))) OR ("locating bug code snippets")).
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