Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cua thuong » cua truong, cua phuong, cua huong
ca thuong » cao thuong, va thuong, cp thuong
cong tan » cong tac, cong san, cong thanh
phan dau » phan tu
hang dau » hang va, hang tai

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