Perhaps you should try some spelling variations:
"cuong danh code snippets" » "cuon danh code snippets", "huong dan code snippets", "cuong linh code snippets", "cuong danh co snippets", "cuong danh code slippers"
"dung nhan code snippets" » "dung luan code snippets", "dung nhan co snippets", "dung nhan con snippets", "dung nhan code slippers"
"locating bug code snippets" » "locating bug code slippers", "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 danh code snippets") or ("dung nhan code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong danh code snippets") OR ("dung nhan code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong danh code snippets ) or ( dung nhan code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong danh code snippets") or ("dung nhan code snippets"))) or ("locating bug code snippets"))*.