Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
ho chiet » ho chieu, ho thiet, hoc thiet
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - ((hanh tranh) OR (hanh trinh)) cua ((nhung cong) or (hang cong)) dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - ((hanh tranh) OR (hanh trinh)) cua ((nhung cong) OR (hang cong)) dan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - ((hanh tranh) OR (hanh trinh)) cua ((nhung cong) or (hang cong)) dan phan cau".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - ((hanh tranh) OR (hanh trinh)) cua ((nhung cong) or (hang cong)) dan phan cau*.