Perhaps you should try some spelling variations:
chuong dong » chuong duong, phuong dong, huong dong
chieu sach » chinh sach, chiet tach, chieu sang
trinh phan » trinh han, thanh phan, trinh toan
trinh quan » tinh quang, trinh luat, trinh han
manh toan » thanh toan, anh tuan
ho chieu » theo chieu, hoc thieu, mot chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh ((trinh phan) or (trinh quan)) chuong dong ((manh toan) OR (tinh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((trinh phan) OR (trinh quan)) chuong dong ((manh toan) OR (tinh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((trinh phan) or (trinh quan)) chuong dong ((manh toan) OR (tinh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((trinh phan) or (trinh quan)) chuong dong ((manh toan) OR (tinh toan)) cau*.