Perhaps you should try some spelling variations:
"dung dong java snippets" » "dung cong java snippets", "vung dong java snippets", "dung trong java snippets", "dung dong va snippets"
"dung luan code snippets" » "dung luan cong snippets", "dung luan che snippets", "dung luan de snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

Try widening your search to All Fields.

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

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