Perhaps you should try some spelling variations:
"dung doi phong slippers" » "dung doi phuong slippers", "dung voi phong slippers", "dung do phong slippers", "huong doi phong slippers", "dung tai phong slippers", "dung co phong slippers", "dung doi phong slippery", "dung doi phong 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 doi phong 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 doi phong slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung doi phong slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung doi phong slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.