Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua cau toc snippets" » "lua cau code snippets", "luat cau toc snippets", "cua cau toc snippets", "quan cau toc snippets", "lua cac toc snippets", "lua cao toc snippets", "lua cau hoc snippets"
"python using java snippets" » "python using 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 java snippets") or ("lua cau toc snippets"))) or ("locating bug core snippets"))~.
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