Perhaps you should try some spelling variations:
"trinh anh danh snippets" » "trinh hanh danh snippets", "trinh thanh danh snippets", "trinh kinh danh snippets", "trinh anh anh snippets", "trinh anh dang snippets", "trinh anh dinh snippets", "trinh anh 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"

You may be able to get more results by adjusting your search query.

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