Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
hien hanh » dieu hanh
tong cong » trong cong, dung cong, dang cong
cong cong » cong dong, trong cong, dung cong
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh 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 hanh - thanh trung tuan ((tong cong) or (cong cong)) dan ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - thanh trung tuan ((tong cong) OR (cong cong)) dan ((than cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - thanh trung tuan ((tong cong) or (cong cong)) dan ((than cau) or (than cap))*.