Perhaps you should try some spelling variations:
thanh phuong » thanh huong, thanh chuong, khanh phong
thong cong » trong cong, tong cong, thong thong
phuong va » thuong va, phong va, huong va
manh toan » thanh toan, anh tuan, tinh toan
va thong » va thuong, va phuong, he thong
dan toan » van toan, dan than, xuan toan

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 hanh) OR (dieu hanh)) - thanh phuong va thong cong ((dan toan) or (manh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hanh) OR (dieu hanh)) - thanh phuong va thong cong ((dan toan) OR (manh toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien hanh) OR (dieu hanh)) - thanh phuong va thong cong ((dan toan) or (manh toan)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien hanh) OR (dieu hanh)) - thanh phuong va thong cong ((dan toan) or (manh toan)) cao*.