Perhaps you should try some spelling variations:
"dung thuc cung snippets" » "dung thuc code snippets", "dung thuoc cung snippets", "duong thuc cung snippets", "dung thu cung snippets", "dung thuc chung snippets", "dung thuc dung snippets", "dung thuc vung snippets"
"locating bug core snippets" » "locating bug code 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 thuc cung snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
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