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
bang cong » dang cong, bang song, hang cong
nhung cau » chung cu, nhung bai, nhu cau
theo chu » cho chu, chao chu, theo yeu
cua bang » chua bang, cua ban, cua dang
cong san » cong tac

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