Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
cua phuong » cuu phuong, cuc phuong, luan phuong
hanh mang » nhanh mang, hanh trang, nhanh lang
cua trung » cua truong, xuan trung, cua nhung
cuong tap » luong tap, cong tac, luong tai
ho chieu » hoc thieu, doi chieu, mot chieu
tap quan » tac quan, hai quan
luan » lan

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 mang ((cua phuong) or (cua trung)) cuong tap quan luan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - hanh mang ((cua phuong) OR (cua trung)) cuong tap quan luan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) sach - hanh mang ((cua phuong) or (cua trung)) cuong tap quan luan".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) sach - hanh mang ((cua phuong) or (cua trung)) cuong tap quan luan*.