Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung doi dap slippers" » "huong doi dap slippers", "dung tai dap slippers", "dung co dap slippers", "dung hoi dap slippers", "dung doi dau slippers", "dung do dap slippers", "dung doi dap slippery", "dung doi dap grippers"
"locating bug code snippets" » "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 java java snippets") or ("dung doi dap slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dung doi dap slippers"))) OR ("locating bug code snippets")).
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