Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cao ban sach snippets" » "cao ban sac snippets", "cao ban mach snippets", "cao ngan sach snippets", "cao bang sach snippets", "co ban sach snippets", "can ban sach snippets", "cao ban sach 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: (((("cao ban sach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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