Perhaps you should try some spelling variations:
"cong viet data snippets" » "cong viec data snippets", "thong viet data snippets", "nang viet data snippets", "cong viet dat snippets", "cong viet ta snippets", "cong lieu data snippets", "cong viet data slippers"
"dung cac code snippets" » "luong cac code snippets", "dung cho code snippets", "dung tai code snippets", "dung cac cong snippets", "dung cac co snippets", "dung cac che snippets", "dung cac code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 cac code snippets") or ("cong viet data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cac code snippets") OR ("cong viet data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cac code snippets ) or ( cong viet data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac code snippets") or ("cong viet data snippets"))) or ("locating bug code snippets"))*.