Perhaps you should try some spelling variations:
hien hanh » dieu hanh
hanh manh » hanh mang, hoang manh, thanh minh
lanh manh » lanh tranh, lan anh, van manh
cong cong » cong dong, trong cong, dung cong
cong tan » cong tac, cong san, cong thanh
tan danh » tran danh, van danh, han danh
danh tu » anh tu, doanh thu

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 manh) or (lanh manh)) cua cong cong tan danh tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - ((hanh manh) OR (lanh manh)) cua cong cong tan danh tu*.