Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cua khong » hua khong, cua phuong, cua thuong
hanh ban » thanh ban, hang ban, hanh san
cong dan » cong tan, cong dong, cong tac
cong san » cong tac
nhan tai » hang tai, van tai, toan tai
ban cua » ban quan

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 ban cua khong ((((cong dan) or (cong san))) or (huong dan)) nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh ban cua khong ((((cong dan) OR (cong san))) OR (huong dan)) nhan tai.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ban cua khong ((((cong dan) or (cong san))) or (huong dan)) nhan tai*.