Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dan so phan slippers" » "dan co phan slippers", "dan hoc phan slippers", "dan hoa phan slippers", "dan soc phan slippers", "dan su phan slippers", "dan mo phan slippers", "dan so phan slippery", "dan so phan grippers"
"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: (((("dan so phan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan so phan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan so phan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan so phan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.