Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
va phuong » va thuong, cac phuong
va thong » va thuong, he thong, va cong
cong dan » cong san, cong tan, huong dan
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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 - thanh tung ((va thong) or (va phuong)) cong dan ((phan cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh tung ((va thong) OR (va phuong)) cong dan ((phan cau) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh tung ((va thong) or (va phuong)) cong dan ((phan cau) or (phan dau))*.