Perhaps you should try some spelling variations:
"dung san chon snippets" » "dung san code snippets", "dong san chon snippets", "dung sai chon snippets", "dung luan chon snippets", "dung san cho snippets", "dung san choi snippets", "dung san chang snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"

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