Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
van thanh » ban thanh, van tuan
van than » van thang, van tuan, van phan

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 - hanh tranh cua nhung cong ((van than) OR (van thanh)) cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tranh cua nhung cong ((van than) or (van thanh)) cau*.