Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh trinh » canh tranh, hanh chinh
chua dong » cua dong, huy dong, hoa dong
doc hieu » toc thieu, hoc thieu, hoc hien
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban
ha dong » hoat dong, van dong

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu nganh - hanh trinh ((cua dung) or (((chua dong) OR (ha dong)))) cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu nganh - hanh trinh ((cua dung) OR (((chua dong) OR (ha dong)))) cong san toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu nganh - hanh trinh ((cua dung) or (((chua dong) OR (ha dong)))) cong san toan tap*".