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"
"tri cac tao snippets" » "tri mac tao snippets", "tai cac tao snippets", "tri dac tao snippets", "tri cau tao snippets", "tri cac tro snippets", "tri cac tac snippets", "tri cac tao 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: (((("tri cac tao snippets") or ("python using data snippets"))) or ("locating bug code snippets"))~.
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