Perhaps you should try some spelling variations:
hien khanh » hien hanh, dien khanh, thien thanh
hien nhanh » hien hanh, thien thanh, tien thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh vat » trinh vat, tranh va, tranh van
dung cong » dung trong
tan thanh » tran thanh, tang thanh, toan thanh
thanh cau » thanh chau, thanh mau, nhanh cau
vat dung » van dung, va dung, viet dung
cong tan » cong tac, cong san, cong thanh

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: hoc ((((hien khanh) OR (hien nhanh))) OR (chieu xanh)) - hanh tranh vat dung cong tan thanh cau~.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hien khanh) or (hien nhanh))) or (chieu xanh)) - hanh tranh vat dung cong tan thanh cau*.