Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhat co toc snippets" » "nhat co code snippets", "nhat cho toc snippets", "nhat so toc snippets", "chat co toc snippets", "nhat cao toc snippets", "nhat co hoc snippets", "nhat co doc 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 ("nhat co toc snippets"))) or ("locating bug core snippets"))~.
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