Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
hanh trinh » canh tranh, hanh chinh
quan lang » quan hoang, quan luan, quan van
gian lang » gian dan
cong san » cong tac
san tan » van tan, san van, san tay
tan ca » tan cua, tang ca, dan ca

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 (theo tieu)) sach - hanh trinh ((quan lang) OR (gian lang)) cong san tan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) sach - hanh trinh ((quan lang) OR (gian lang)) cong san tan ca*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo tieu)) sach - hanh trinh ((quan lang) OR (gian lang)) cong san tan ca*".