Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuong va hoa snippets" » "cuong va code snippets", "luong va hoa snippets", "duong va hoa snippets", "cong va hoa snippets", "cuong van hoa snippets", "cuong va hoc snippets", "cuong ma 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: (((("python using java snippets") or ("cuong va hoa snippets"))) or ("locating bug core snippets"))~.
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