Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung son di snippets" » "dung san di snippets", "dong son di snippets", "dung so di snippets", "dung son d snippets", "dung son da snippets", "dung son ki 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: (((("dung son di 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 son di snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung son di snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung son di snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.