Perhaps you should try some spelling variations:
"dung cong dot snippets" » "dung trong dot snippets", "dung cong mot snippets", "dung cong dong snippets", "dung cong doan snippets"
"dung uong java snippets" » "dung huong java snippets", "dung luong java snippets", "dung ung java snippets", "dung using 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 cong dot snippets") or ("dung uong java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cong dot snippets") OR ("dung uong java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cong dot snippets ) or ( dung uong java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cong dot snippets") or ("dung uong java snippets"))) or ("locating bug code snippets"))*.