Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dan vung doc snippets" » "dan dung doc snippets", "dao vung doc snippets", "dang hung doc snippets", "dan vung moc snippets", "dan vung doi snippets", "dan vung hoc 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: (((("dan vung doc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan vung doc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan vung doc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan vung doc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.