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

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 snippets"))) OR ("locating bug code slippers"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dong danh code snippets ))) or ( locating bug code slippers ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dong danh code snippets"))) or ("locating bug code slippers"))*.