Perhaps you should try some spelling variations:
"dung quat phan slippers" » "dung quan phan slippers", "dung qua phan slippers", "dung luat phan slippers", "dung xuat phan slippers", "dung thuat phan slippers", "dung quat phan slippery", "dung quat phan grippers"
"dung java java snippets" » "dung va java 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 quat 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 quat phan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung quat phan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung quat phan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.