Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cu cong chuc snippets" » "cu cong code snippets", "cu cong thuc snippets", "cu cong cu snippets", "cu cong cua snippets", "cua cong chuc snippets", "cuu cong chuc snippets", "cau cong chuc 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: (((("cu cong chuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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