Perhaps you should try some spelling variations:
vien nganh » vien thanh
hanh tranh » canh tranh, hanh trinh, lanh tranh
hanh trang » thanh trung, canh tranh, hanh trinh
dang cong » dung cong
hoc vien » hoc hien, hoc viet, hoc tieng
cua dang » cua cong, cua ban
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 vien nganh - ((hanh tranh) or (hanh trang)) cua dang cong tac ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc vien nganh - ((hanh tranh) OR (hanh trang)) cua dang cong tac ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc vien nganh - ((hanh tranh) or (hanh trang)) cua dang cong tac ((toan cau) or (toan cao))*.