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