Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, nghiep nganh
luan tuong » luan luong, luat thuong, xuan truong
tuong cong » truong cong, trong cong, tong cong
hieu manh » chieu xanh, dieu hanh, hien hanh
anh dung » anh dong, anh huong, sach dung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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 (hieu nganh)) - anh dung luan tuong cong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) OR (hieu nganh)) - anh dung luan tuong cong tan toan cau*".