Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
phong cong » phong chong, thong cong, chong cong
tranh cac » trinh cac, thanh cac, tranh cai
cac phong » cac phuong, cac chuong, chau phong
cong san » cong tac
san gian » dan gian, san giao, van gian
gian cap » gian cac, gian cam, gian cham

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien nhanh - canh tranh cac phong cong san gian cap~.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - canh tranh cac phong cong san gian cap*.