Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuon hanh cac snippets" » "cuon hanh code snippets", "cuon danh cac snippets", "cuong danh cac snippets", "cuoc thanh cac snippets", "cuon hang cac snippets", "cuon hanh cat snippets", "cuon nhanh cay snippets"
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets"

Try widening your search to All Fields.

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