Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung thang con snippets" » "dung thang code snippets", "hung thang con snippets", "cung thang con snippets", "dung thuong con snippets", "dung trang con snippets", "dung thanh cong snippets", "dung thang long 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 con snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
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