Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
theo dieu » theo tieu, theo chieu, thuoc dieu
dieu danh » dieu hanh, tieu danh, dia danh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
dan than » dan chan, ban than, van than

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu danh - hanh trinh cua nhung cong ((dan than) OR (((tinh toan) OR (anh tuan)))) cau~.
• Adding a wildcard symbol may retrieve word variants: theo dieu danh - hanh trinh cua nhung cong ((dan than) or (((tinh toan) or (anh tuan)))) cau*.