Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dan sach san snippets" » "ban sach san snippets", "dan cach san snippets", "dat sach san snippets", "dan sach han snippets", "dan khach san snippets", "dan sach danh snippets", "dan sach san 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: (((("dan sach san snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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