Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien khanh » hien hanh, hien nhanh, dien khanh
trung tuan » trung thanh, trung tam, tran tuan
tuan thong » toan thong, tran thong, tuan phong
thong cong » trong cong, tong cong, thong thong
thanh cac » thanh bac, thanh ca, tranh cac
cong san » cong tac
hanh cac » hang cac, hanh cat, nhanh cay

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 khanh) or (dieu hanh)) - thanh trung tuan thong cong san ((thanh cac) or (hanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien khanh) OR (dieu hanh)) - thanh trung tuan thong cong san ((thanh cac) OR (hanh cac)).
• Adding a wildcard symbol may retrieve word variants: hoc ((hien khanh) or (dieu hanh)) - thanh trung tuan thong cong san ((thanh cac) or (hanh cac))*.