Perhaps you should try some spelling variations:
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets", "dung using java slippers"
"dung cac nhan snippets" » "luong cac nhan snippets", "dung cho nhan snippets", "dung tai nhan snippets", "dung ca nhan snippets", "dung cac nha snippets", "dung cam nhan snippets", "dung cac nhan 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung using java snippets") or ("dung cac nhan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung using java snippets") OR ("dung cac nhan snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( dung using java snippets ) or ( dung cac nhan snippets ))) or ( locating bug code snippets ))*.