Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua cac toc snippets" » "lua cac code snippets", "luat cac toc snippets", "cua cac toc snippets", "qua cac toc snippets", "lua cac toi snippets", "lua cac nuoc snippets", "lua cac thoi 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 ("lua cac toc snippets"))) or ("locating bug core snippets"))~.
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