Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien hanh » dieu hanh
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
hanh cau » nhanh cau, hang cau, hanh 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 cap thong ((cong ban) or (cong san)) hanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - thanh trung cap thong ((cong ban) OR (cong san)) hanh cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - thanh trung cap thong ((cong ban) or (cong san)) hanh cau*.