Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
theo chieu » theo tieu, ho chieu, thi chieu
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
theo chu » cho chu, chao chu, theo yeu
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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 chu)) sach - hanh tranh cua hang cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) sach - hanh tranh cua hang cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) sach - hanh tranh cua hang cong dan van ban*.