Perhaps you should try some spelling variations:
trung thanh » truong thanh
hieu nganh » vien nganh, hiem ngan, nghiep nganh
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, dieu hanh, hien hanh
trung cap » truong cao, trung tam
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap

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

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