Perhaps you should try some spelling variations:
"cuong danh cat snippets" » "cuon danh cat snippets", "huong dan cat snippets", "cuong linh cat snippets", "cuong danh bat snippets", "cuong danh ca snippets", "cuong hanh cat snippets"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 cat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong danh cat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong danh cat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong danh cat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.