Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung thang cac snippets" » "dung thang code snippets", "hung thang cac snippets", "cung thang cac snippets", "dung thuong cac snippets", "dung thong cac snippets", "dung hang cac snippets", "dung thanh cac snippets"
"dung java java snippets" » "dung va java snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung thang cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
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