Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dinh cuu bo snippets" » "dinh cuu code snippets", "dinh chi bo snippets", "dinh cuu bao snippets", "dinh cua bo snippets", "dinh cu bo snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dinh cuu bo snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
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