Perhaps you should try some spelling variations:
"cuong cac code slippers" » "luong cac code slippers", "cong cac code slippers", "trong cac code slippers", "cuong cac cong slippers", "cuong cac co slippers", "cuong cac che slippers"
"anh tran code snippets" » "anh tran cong snippets", "anh tuan code snippets", "anh toan code snippets", "anh trac code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

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: (((("cuong cac code slippers") or ("anh tran code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong cac code slippers") OR ("anh tran code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong cac code slippers ) or ( anh tran code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong cac code slippers") or ("anh tran code snippets"))) or ("locating bug code snippets"))*.