Perhaps you should try some spelling variations:
thanh trinh » hanh trinh, thanh tinh, thanh binh
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
luat hanh » luat hinh, luat canh, luat danh
hanh cong » thanh cong, hang cong, hanh dong
danh tuan » manh tuan, danh thanh, danh thang

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 - thanh trinh luat hanh cong ((danh tuan) or (anh tuan)) cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh trinh luat hanh cong ((danh tuan) OR (anh tuan)) cu*.