Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
cong thanh » dong thanh, truong thanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tan » cong tac, cong san, cong ty
phan cau » phan dau, phan cac, phan tu

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