Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chuc nang, chu bang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan tap » toan ban

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 ((((chua xang) OR (ho manh))) OR (chieu sang)) - hanh tranh cua nhung cong van toan tap~.
• Adding a wildcard symbol may retrieve word variants: theo ((((chua xang) or (ho manh))) or (chieu sang)) - hanh tranh cua nhung cong van toan tap*.