Perhaps you should try some spelling variations:
thong cong » tong cong, thong thong, phong chong
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
theo chu » theo chieu, cho chu, chao chu
chu nang » chuc nang, chua nang, cuu nang
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.

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