Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"nang noi co snippets" » "nang doc co snippets", "hanh noi co snippets", "nang hoc co snippets", "nang noi cho snippets", "nang noi bo snippets", "nang moi 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: (((("nang noi 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: (((("nang noi co snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang noi co snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang noi co snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.