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