Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cho chuong » theo chuong, cho cong, cho truong
phuong dan » phuong danh, phuong doan, phuong lan
hanh dung » thanh dung, anh dung, hanh dong
than cau » toan cau, phan cau, than cap

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 dung cho chuong ((phuong dan) or (huong dan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh dung cho chuong ((phuong dan) OR (huong dan)) than cau*.