Perhaps you should try some spelling variations:
"dung lieu phan slippers" » "dung hieu phan slippers", "dung tieu phan slippers", "dung viet phan slippers", "dung lieu phap slippers", "dung lieu phuc slippers", "dung lieu tham slippers", "dung lieu phan slippery", "dung lieu 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 lieu 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 lieu phan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung lieu phan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung lieu phan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.