Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien nhanh » hien hanh, thien thanh, tien thanh
ca thuong » cao thuong, cua thuong, va thuong
trung ca » trung cap, truong ca, trung cua
cong san » cong tac
khan cap » than cap, khoan cam, phan cac
khan ap » han ap, khan dam

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 - thanh trung ca thuong ((cong dong) or (cong san)) ((khan cap) or (khan ap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - thanh trung ca thuong ((cong dong) OR (cong san)) ((khan cap) OR (khan ap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - thanh trung ca thuong ((cong dong) or (cong san)) ((khan cap) or (khan ap))*.