Perhaps you should try some spelling variations:
"doan cuong dat snippets" » "doan phuong dat snippets", "dai cuong dat snippets", "van cuong dat snippets", "doan cung dat snippets", "doan cuong dao snippets", "doan cuong danh snippets", "doan cuong dat slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dung java java snippets") or ("doan cuong dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("doan cuong dat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( doan cuong dat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("doan cuong dat snippets"))) or ("locating bug code snippets"))*.