Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
hanh trung » thanh trung, hanh trang, manh trung
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
tan thanh » tran thanh, tang thanh, toan thanh
thanh cau » thanh chau, thanh mau, nhanh cau
cong tan » cong tac, cong san, cong thanh

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