Perhaps you should try some spelling variations:
"dong java java snippets" » "dong va java snippets"
"dung danh code slippers" » "dung doanh code slippers", "dung dan code slippers", "dung dang code slippers", "dung 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: (((("dong java java snippets") OR ("dung danh code slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dong java java snippets ) or ( dung danh code slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dong java java snippets") or ("dung danh code slippers"))) or ("locating bug code snippets"))*.