Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
hanh thang » nhanh thang, thanh thang, hanh trang
cac phuong » cac truong
va phuong » va thuong
cong san » cong tac
san toan » van toan, dan toan, manh toan
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: ((theo chieu) or (theo tieu)) sach - hanh thang ((va phuong) OR (cac phuong)) cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) sach - hanh thang ((va phuong) OR (cac phuong)) cong san toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo tieu)) sach - hanh thang ((va phuong) OR (cac phuong)) cong san toan cau*".