Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung dan hoa snippets" » "dung dat hoa snippets", "dung san hoa snippets", "tung dan hoa snippets", "dung danh hoa snippets", "dung dan hoat snippets", "dung dan khoa 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 dan hoa snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dan hoa snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dan hoa snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dan hoa snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.