Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh
trinh hanh » trinh thanh, trinh han, trinh anh
chinh cong » thanh cong, trinh cong
thanh chu » thanh chau, thanh thu, thanh thuy
thanh cha » thanh ha, thanh nha, thanh phan
cong van » cong vang, cong san, song van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: mot chieu sach - hanh trinh hanh chinh cong van ((thanh chu) or (thanh cha))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot chieu sach - hanh trinh hanh chinh cong van ((thanh chu) OR (thanh cha)).
• Adding a wildcard symbol may retrieve word variants: mot chieu sach - hanh trinh hanh chinh cong van ((thanh chu) or (thanh cha))*.