Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh tranh » canh tranh, hanh trinh, hanh trang
toc hieu » toc thieu, doc hieu, hoc thieu
cua dong » chua dong, cua cong, cua nong
cua dang » cua cong, cua ban
cong tac » cong ty
toan cau » 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: toc hieu nganh - hanh tranh ((cua dong) or (cua dang)) ((huong dan) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu nganh - hanh tranh ((cua dong) OR (cua dang)) ((huong dan) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: toc hieu nganh - hanh tranh ((cua dong) or (cua dang)) ((huong dan) or (cong tac)) toan cau*.