Perhaps you should try some spelling variations:
hien nganh » vien nganh, hien nhanh, hieu nganh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
van toan » van tuan, van tan, van thanh
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 hien nganh - canh tranh cua ((nhung cong) OR (thong cong)) van toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien nganh - canh tranh cua ((nhung cong) OR (thong cong)) van toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien nganh - canh tranh cua ((nhung cong) OR (thong cong)) van toan cau*.