Perhaps you should try some spelling variations:
"dung cacfd code slippers" » "dung cac code slippers", "dung cfd code slippers"
"dung cong dan snippets" » "dung trong dan snippets", "dung cong san snippets", "dung cong tan snippets", "dung huong dan snippets"
"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.

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