Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hien hanh » dieu hanh
dung cong » dung trong
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac
toan cao » toan ban, toan tap
va dung » van dung, va duong, vat dung

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 tranh va dung cong dan ((((than cau) or (than cap))) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - hanh tranh va dung cong dan ((((than cau) OR (than cap))) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - hanh tranh va dung cong dan ((((than cau) or (than cap))) or (toan cao))*.