Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung du con snippets" » "dung de con snippets", "dung cu con snippets", "dung cua con snippets", "dung duc con snippets", "dung dung con snippets", "dung dieu con snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung du con 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 du con snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung du con snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung du con snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.