Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh tranh » canh tranh, hanh trinh, hanh trang
theo phap » thi phap
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
theo kha » thao khoa, theo chu, thep nha
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo kha) OR (theo phap)) nang - hanh tranh cua thong cong tac toan cau~".
• Adding a wildcard symbol may retrieve word variants: ((theo kha) OR (theo phap)) nang - hanh tranh cua thong cong tac toan cau*.