Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang le cac snippets" » "dang le code snippets", "tang le cac snippets", "dung le cac snippets", "dang de cac snippets", "dang ve cac snippets", "dang le cap snippets", "dang le cau 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: (((("dang le cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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