Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
hanh hang » thanh hang, hang hang, hanh han
lang cong » dang cong, bang cong, hang cong
ho chieu » hoc thieu, doi chieu, mot chieu
cong tan » cong tac, cong san, cong thanh
va lang » va nang, hoa lang
san cau » van cau, can cau, ran cau
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 hang va lang cong tan ((san cau) OR (ban cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - hanh hang va lang cong tan ((san cau) OR (ban cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (ho chieu)) sach - hanh hang va lang cong tan ((san cau) OR (ban cau))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sach - hanh hang va lang cong tan ((san cau) OR (ban cau))*.