Perhaps you should try some spelling variations:
"dung cac hoan snippets" » "dung cac code snippets", "luong cac hoan snippets", "dung cho hoan snippets", "dung tai hoan snippets", "dung cac khoan snippets", "dung cach hoan snippets", "dung cac hoat 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 cac hoan snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
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