Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
hien hanh » dieu hanh
tong cong » trong cong, dung cong, dang cong
cong cong » cong dong, trong cong, dung cong
tuong va » truong va, thuong va, luong va
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh

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 - thanh tuong va ((tong cong) or (cong cong)) ((dan toan) or (van toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - thanh tuong va ((tong cong) OR (cong cong)) ((dan toan) OR (van toan)) cao.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - thanh tuong va ((tong cong) or (cong cong)) ((dan toan) or (van toan)) cao*.