Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thu hoc de snippets" » "thu hoc code snippets", "tu hoc de snippets", "thu hoi de snippets", "tru hoc de snippets", "thu hoc he snippets", "thu hoc te snippets", "thu hoc do 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: (((("python using data snippets") or ("thu hoc de snippets"))) or ("locating bug core snippets"))~.
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