Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong danh code slippers" » "dong doanh code slippers", "dong anh code slippers", "cong danh code slippers", "dong danh co slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dong danh code slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dong danh code slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dong danh code slippers"))) or ("locating bug code snippets"))*.