Perhaps you should try some spelling variations:
"dung nghe phan slippers" » "dang nghe phan slippers", "dung nghien phan slippers", "cuong nghe phan slippers", "dung nghe nhan slippers", "dung nghe thang slippers", "dung nghe dan slippers", "dung nghe phan slippery", "dung nghe 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 nghe 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 nghe phan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung nghe phan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nghe phan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.