Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung con phan slippers" » "dung cong phan slippers", "dung von phan slippers", "dung co phan slippers", "dung bon phan slippers", "dung con phan slippery", "dung con 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: (((("dung con 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: (((("dung con phan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung con phan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung con phan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.