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
tranh cua » doanh cua, manh cua
cua nhung » va nhung
hoang hai » hoang thi, hoang van
cong bai » cuong bai, cong hai, cung bai
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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