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