Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ban cu cau snippets" » "ban cu code snippets", "ban cua cau snippets", "ban cau cau snippets", "ban tu cau snippets", "ban cu cao snippets", "ban co cau snippets", "ban cu cu 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 ("ban cu cau snippets"))) or ("locating bug core snippets"))~.
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