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"
"cac san tin snippets" » "cac dan tin snippets", "cac van tin snippets", "cac ban tin snippets", "cac san tinh snippets", "cac san ten snippets", "cac san tin 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: (((("cac san tin snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
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