Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
tuan phong » thuan phong, tran phong, luan phong
phong cong » phong chong, thong cong, chong cong
hien hach » thien hach, hien hanh, hien nhanh
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap
khan cap » khan ap, than cap, khoan cam

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 hach - thanh trung tuan phong cong dan ((than cau) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hach - thanh trung tuan phong cong dan ((than cau) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien hach - thanh trung tuan phong cong dan ((than cau) or (khan cap))*.