Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung dan toi snippets" » "dung dat toi snippets", "dung san toi snippets", "tung dan toi snippets", "dung dan toc snippets", "dung dan thi snippets", "dung van toi 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 toi 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 toi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dan toi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dan toi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.