Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"tran hon dat snippets" » "tran hong dat snippets", "tran hoan dat snippets", "tran han dat snippets", "tran chon dat snippets", "tran hoc dat snippets", "tran hoi dat snippets", "tran hon dat slippers"
"locating bug code snippets" » "locating bug code slippers", "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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("tran hon dat snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( tran hon dat snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("tran hon dat snippets"))) or ("locating bug code snippets"))*.