Perhaps you should try some spelling variations:
hien hanh » dieu hanh
cong cong » cong dong, trong cong, dung cong
anh dang » anh dong, anh dung, anh bang
dang cua » dung cua, dong cua, mang cua
cong tac » cong ty
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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 - anh dang cua cong cong tac ((toan cau) or (((toan cao) or (van ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - anh dang cua cong cong tac ((toan cau) OR (((toan cao) OR (van ban)))).
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - anh dang cua cong cong tac ((toan cau) or (((toan cao) or (van ban))))*.