Perhaps you should try some spelling variations:
"trinh le danh snippets" » "trinh ly danh snippets", "trinh he danh snippets", "trinh ve danh snippets", "trinh le dinh snippets", "trinh le anh snippets", "trinh le manh snippets", "trinh le danh 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: (((("trinh le danh snippets") or ("dung cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh le danh snippets") OR ("dung cac code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh le danh snippets ) or ( dung cac code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh le danh snippets") or ("dung cac code snippets"))) or ("locating bug code snippets"))*.