Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung tri chan snippets" » "dung tai chan snippets", "dung tren chan snippets", "nhung tri chan snippets", "dung trai chan snippets", "dung tri nhan snippets", "dung tri chat 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 tri chan 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 tri chan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tri chan snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tri chan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.