Perhaps you should try some spelling variations:
"dung ung java snippets" » "dung trung java snippets", "dung quang java snippets", "dung chung java snippets", "dung using java snippets", "dung ngu java snippets", "dung ung va snippets", "dung ung java slippers"
"dung tay trac snippets" » "dung tai trac snippets", "dung may trac snippets", "vung tay trac snippets", "dung tap trac snippets", "dung toan trac snippets", "dung ty trach snippets", "dung tay trac slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung ung java snippets") or ("dung tay trac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung ung java snippets") OR ("dung tay trac snippets"))) OR ("locating bug code snippets")).
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