Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets", "python using data slippers"
"nam van tin snippets" » "nam dan tin snippets", "nam va tin snippets", "pham van tin snippets", "nam van tien snippets", "nam van tan snippets", "nam van thinh snippets", "nam van tin slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("nam van tin snippets") or ("python using data snippets"))) or ("locating bugs code snippets"))~.
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