Perhaps you should try some spelling variations:
dien khanh » dien thanh, hien khanh, dieu hanh
hien nhanh » hien hanh, thien thanh, tien thanh
chinh cua » chinh ca, chinh sua, hinh cua
cong cong » cong dong, trong cong, dung cong
cong tan » cong tac, cong san, cong thanh
than tap » han tap, phan tap, than cap
toan tap » toan 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 ((dien khanh) or (hien nhanh)) - hanh chinh cua cong cong tan ((than tap) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((dien khanh) OR (hien nhanh)) - hanh chinh cua cong cong tan ((than tap) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((dien khanh) or (hien nhanh)) - hanh chinh cua cong cong tan ((than tap) or (toan tap))*.