Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"quan thi toc snippets" » "quan thi code snippets", "quang thi toc snippets", "quan tri toc snippets", "quan tai toc snippets", "quan thi tac snippets", "quan thi voc snippets", "quan thi goc 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 thi toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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