Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung tin liu slippers" » "dong tin liu slippers", "luong tin liu slippers", "dung tren liu slippers", "dung jin liu slippers", "dung xin liu slippers", "dung lin liu slippers", "dung tin liu slippery", "dung tin liu 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 tin liu 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 tin liu slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tin liu slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tin liu slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.