Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien nhanh » thien thanh, tien thanh, dien thanh
hien hanh » dieu hanh
trung cap » truong cao, trung tam
thang cau » hang cau, thong cau, thanh chau
cap hang » cap hoang, cap bang, cap han
cong van » cong vang, song van, cong tan
cong san » cong tac

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) OR (hien hanh)) - thanh trung cap hang ((cong van) or (cong san)) thang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (hien hanh)) - thanh trung cap hang ((cong van) OR (cong san)) thang cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien nhanh) OR (hien hanh)) - thanh trung cap hang ((cong van) or (cong san)) thang cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) OR (hien hanh)) - thanh trung cap hang ((cong van) or (cong san)) thang cau*.