Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu nganh » vien nganh, hiem ngan, nghiep nganh
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, dieu hanh, hieu van
hien hanh » dieu hanh
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
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.

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