Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » hanh trinh, hanh trang, lanh tranh
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
san van » tan van, luan van, tran van
van cau » van dau, van hau, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((dieu hanh) or (chieu sach)) - ((hanh tranh) OR (canh tranh)) cua dung cong san van cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((dieu hanh) OR (chieu sach)) - ((hanh tranh) OR (canh tranh)) cua dung cong san van cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((dieu hanh) or (chieu sach)) - ((hanh tranh) OR (canh tranh)) cua dung cong san van cau*".