Perhaps you should try some spelling variations:
"dung cac code slippers" » "luong cac code slippers", "dung cho code slippers", "dung tai code slippers", "dung cac cong slippers", "dung cac co slippers", "dung cac che slippers"
"cong ma data snippets" » "cuong ma data snippets", "cong ha data snippets", "cong va data snippets", "cong a data 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: (((("cong ma data snippets") or ("dung cac code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong ma data snippets") OR ("dung cac code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong ma data snippets ) or ( dung cac code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong ma data snippets") or ("dung cac code slippers"))) or ("locating bug code snippets"))*.