Perhaps you should try some spelling variations:
"dung nhan mau slippers" » "dung luan mau slippers", "dung nhan ma slippers", "dung nhan mac slippers", "dung nhan sau slippers", "dung nhan mau slippery", "dung nhan mau 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 nhan mau 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 nhan mau slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung nhan mau slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nhan mau slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.