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