Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tieu xanh » chieu xanh, dieu hanh, tien anh
tieu danh » dieu danh, tiep danh, thien danh
chua nang » chuc nang, chua xang, kha nang
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan tat » ban tat, toan tap, toan tai

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: theo ((tieu xanh) OR (tieu danh)) - hanh tranh ((chua nang) OR (cua dang)) cong van tan tat~.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (tieu danh)) - hanh tranh ((chua nang) or (cua dang)) cong van tan tat*.