Perhaps you should try some spelling variations:
"dinh viet dat snippets" » "ninh viet dat snippets", "danh viet dat snippets", "trinh viet dat snippets", "dinh viec dat snippets", "dinh viet da snippets", "dinh viet dao snippets", "dinh viet 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: (((("dinh viet dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh viet dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh viet dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh viet dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.