Perhaps you should try some spelling variations:
chat thuong » chan thuong, chap thuong, chat huong
thuong dong » phuong dong, tuong dong, chuong dong
hien hanh » dieu hanh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
dong von » dung von, dong co, dong hoc
toan cau » toan cao, toan tap, toan tai
toan 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 tinh chat thuong dong von ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - hanh tinh chat thuong dong von ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - hanh tinh chat thuong dong von ((toan cau) or (toan ban))*.