Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
dong thanh » truong thanh
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
ho chieu » hoc thieu, doi chieu, mot chieu
tang cua » mang cua, hang cua, tang luan
ban cau » bang cau, ban can, van cau

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 (ho chieu)) sach - hanh tang cua nhung ((truong thpt) or (dong thanh)) ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - hanh tang cua nhung ((truong thpt) OR (dong thanh)) ban cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) sach - hanh tang cua nhung ((truong thpt) or (dong thanh)) ban cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) sach - hanh tang cua nhung ((truong thpt) or (dong thanh)) ban cau*.