Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran bi hoi snippets" » "tran bi code snippets", "trang bi hoi snippets", "tran bai hoi snippets", "tran si hoi snippets", "tran bia hoi snippets", "tran bi hai snippets", "tran bi hoa 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: (((("tran bi hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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