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