Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"den cai data snippets" » "den cai dat snippets", "den a data snippets", "den aid data snippets", "de cai data snippets", "den cac data snippets", "den cam 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 ("den cai data snippets"))) or ("locating bug core snippets"))~.
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