Perhaps you should try some spelling variations:
hieu nganh » hiem ngan, nghiep nganh
vien nganh » vien thanh
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, dieu hanh, hien hanh
cua thong » cua thuong, cua khong, cua tong
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho
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) OR (vien nganh)))) - anh dung cua thong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (((hieu nganh) OR (vien nganh)))) - anh dung cua thong cong tan toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (((hieu nganh) OR (vien nganh)))) - anh dung cua thong cong tan toan cau*".