Perhaps you should try some spelling variations:
vien nganh » vien thanh
hanh trung » thanh trung, hanh trang, manh trung
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cap » truong cao, trung tam
cap dang » cao dang, cac dang, cap bang
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
han tap » han tai, toan tap, nhan tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (vien nganh)) - hanh trung cap dang ((cong dan) or (cong tac)) han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (vien nganh)) - hanh trung cap dang ((cong dan) OR (cong tac)) han tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (vien nganh)) - hanh trung cap dang ((cong dan) or (cong tac)) han tap*.