Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo dieu » theo tieu, theo chieu, thuoc dieu
dieu danh » dieu hanh, tieu danh, dia danh
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
manh toan » thanh toan, tinh toan
tang cua » mang cua, hang cua, tang luan
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: theo dieu danh - hanh tang cua nhung cong ((dan toan) or (((manh toan) or (anh tuan)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu danh - hanh tang cua nhung cong ((dan toan) OR (((manh toan) OR (anh tuan)))) cau.
• Adding a wildcard symbol may retrieve word variants: theo dieu danh - hanh tang cua nhung cong ((dan toan) or (((manh toan) or (anh tuan)))) cau*.