Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
bang cong » dang cong, bang song, hang cong
ho chiet » ho chieu, ho thiet, hoc thiet
toan ban » van ban

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 cua ((nhung cong) or (bang cong)) tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh tranh cua ((nhung cong) OR (bang cong)) tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh tranh cua ((nhung cong) or (bang cong)) tinh toan ban*.