Perhaps you should try some spelling variations:
"dung ninh dat snippets" » "dung vinh dat snippets", "quang ninh dat snippets", "dung dich dat snippets", "dung dinh dat snippets", "dung chinh dat snippets", "dung dinh doat snippets", "dung ninh dat slippers"
"hang java java snippets" » "hang va java snippets", "hang 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 ninh dat snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung ninh dat snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ninh dat snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ninh dat snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.