Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung noi va slippers" » "duong noi va slippers", "dung doi va slippers", "dung moi va slippers", "dung hoi va slippers", "dung noi va slippery", "dung noi va grippers"
"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 java java snippets") or ("dung noi va slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dung noi va slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung noi va slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung noi va slippers"))) or ("locating bug code snippets"))*.