Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong dung hoc snippets" » "dong dung code snippets", "dong duong hoc snippets", "duong dung hoc snippets", "cong dung hoc snippets", "dong dong hoc snippets", "dong dung thuoc snippets", "dong trung hoc 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 dung hoc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dong dung hoc snippets"))) OR ("locating bug core snippets")).
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