Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong cuon coi snippets" » "dong cuon code snippets", "dong duong coi snippets", "dong huong coi snippets", "dang cuong coi snippets", "dong con coi snippets", "dong nguon coi snippets", "dong cuoc doi 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 java java snippets") or ("dong cuon coi snippets"))) or ("locating bug core snippets"))~.
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