Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dan lieu da snippets" » "da lieu da snippets", "dan dieu da snippets", "dang dieu da snippets", "dan lieu dao snippets", "dan lieu dai snippets", "dan lieu dia 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 lieu da 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 lieu da snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan lieu da snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan lieu da snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.