Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh trang » thanh trung, hanh trinh, minh trang
cong cong » cong dong, trong cong, dung cong
bac thanh » ban thanh, cac thanh, tai thanh
thanh van » thanh san, thanh toan, thanh phan
cong bac » cong tac, dong bac, cong cac

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 - ((hanh trang) or (canh tranh)) cua cong cong bac thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - ((hanh trang) OR (canh tranh)) cua cong cong bac thanh van.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - ((hanh trang) or (canh tranh)) cua cong cong bac thanh van*.