Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung toi di snippets" » "dung thoi di snippets", "dung tai di snippets", "dung doi di snippets", "dung toi doi snippets", "dung toi da snippets", "dung toi do 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 toi di 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 toi di snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung toi di snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung toi di snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.