Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
phuong dan » phuong danh, phuong doan, phuong lan
hanh dung » thanh dung, anh dung, hanh dong
cua nhung » va nhung
dung cua » dung luan, dung cho
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 cua nhung ((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 cua nhung ((phuong dan) OR (huong dan)) than cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh dung cua nhung ((phuong dan) or (huong dan)) than cau*.