Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan

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 nhanh) or (dieu hanh)) - hanh trinh cua dung cong tan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (dieu hanh)) - hanh trinh cua dung cong tan phan tu.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) or (dieu hanh)) - hanh trinh cua dung cong tan phan tu*.