Perhaps you should try some spelling variations:
"trinh cau nhan snippets" » "trinh chat nhan snippets", "trinh chao nhan snippets", "trinh tu nhan snippets", "trinh chau nhan snippets", "trinh ca nhan snippets", "trinh cu nhan snippets", "trinh cau nhan 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"

Try widening your search to All Fields.

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