Perhaps you should try some spelling variations:
thanh tung » thanh cong
hien hanh » dieu hanh
hang cong » dang cong, hang nong, bang cong
tung cua » trung cua, tuong cua, dung cua
cua hang » cua dang, cua nhung, cua cong
san toan » van toan, manh toan, xuan toan
dan toan » van toan, dan than, manh toan
van quan » van ban

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