Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
cong bai » cuong bai, cung bai, cong ba
cong hai » cong thai, cong ha, hoang hai
toan cau » toan cao, toan ban, toan tap

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