Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung bang he snippets" » "dung bang code snippets", "dong bang he snippets", "dung dang he snippets", "dung nang he snippets", "dung bang che snippets", "dung bang thep 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: (((("dung bang he snippets") or ("dung using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung bang he snippets") OR ("dung using java snippets"))) OR ("locating bug core snippets")).
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