Perhaps you should try some spelling variations:
"cong nhan danh snippets" » "cong nhat danh snippets", "cong thanh danh snippets", "cong san danh snippets", "cong nhan dan snippets", "cong nhan dang snippets", "cong ngan danh snippets", "cong nhan danh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java 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: (((("cong nhan danh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong nhan danh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong nhan danh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong nhan danh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.