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, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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) OR (phan 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) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh dung cua nhung ((phuong dan) or (huong dan)) ((than cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh dung cua nhung ((phuong dan) or (huong dan)) ((than cau) OR (phan cau))*.