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"
"thi tran dam snippets" » "thi trang dam snippets", "thi thanh dam snippets", "thi lan dam snippets", "thi toan dam snippets", "thi tran day snippets", "thi tran lam snippets", "thi tran dam 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: (((("thi tran dam snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
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