Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung co cat snippets" » "dung co code snippets", "dung cho cat snippets", "dung cong cat snippets", "dung cua cat snippets", "dung co cau snippets", "dung co cac snippets", "dung cu cat 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: (((("dung co cat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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