Perhaps you should try some spelling variations:
thanh trung » thanh tung
vien nganh » vien thanh
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, hien hanh
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
cong dan » cong san, cong tan, huong dan
gian cau » gian chau, gian cac, gian cam

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 (dieu hanh))) or (vien nganh)) - thanh trung cap thong cong dan gian cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu manh) OR (dieu hanh))) OR (vien nganh)) - thanh trung cap thong cong dan gian cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hieu manh) OR (dieu hanh))) or (vien nganh)) - thanh trung cap thong cong dan gian cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) OR (dieu hanh))) or (vien nganh)) - thanh trung cap thong cong dan gian cau*.