Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
khong cang » thong cong, hong bang, khong dung
hien hanh » dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
cua khong » hua khong, cua phuong, cua thuong
cang tan » cong tan, cung tan, tang tan
toan ban » van ban
can ban » 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 - hanh trinh cua khong cang tan ((can ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - hanh trinh cua khong cang tan ((can ban) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - hanh trinh cua khong cang tan ((can ban) or (toan ban))*.