Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
chuong cong » cuong cong, chong cong, chuong dong
theo chieu » theo tieu, ho chieu, theo chu
truong cac » truong cao, trong cac, truong ca
cac chuong » cac phuong, cac chung, cac truong
thi chieu » thi chien, thi hieu, thi hien
van tan » van tuan, van ban, van tai

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 (thi chieu)) sach - hanh truong cac chuong cong ((tinh toan) or (van tan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (thi chieu)) sach - hanh truong cac chuong cong ((tinh toan) OR (van tan)) cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (thi chieu)) sach - hanh truong cac chuong cong ((tinh toan) or (van tan)) cau*.