Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
trong bang » trong ban, trong dang, trong tang
doi chieu » doc hieu, doi chi, mot chieu
bang hang » ban hang, hang hang, nang hang
ho chieu » theo chieu, hoc thieu, mot chieu
cua dung » cua dang, cua dong, qua dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (doi chieu)) sach - ((hanh tranh) or (hanh trinh)) cua dung trong bang hang va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - ((hanh tranh) OR (hanh trinh)) cua dung trong bang hang va.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sach - ((hanh tranh) or (hanh trinh)) cua dung trong bang hang va".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) sach - ((hanh tranh) or (hanh trinh)) cua dung trong bang hang va*.