Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
bang huong » bang phuong, ban huong, bang suong
trinh cua » tinh cua, trinh luat, trinh quan
ho chieu » theo chieu, hoc thieu, doi chieu
cua bang » chua bang, cua ban, cua dang
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh trinh cua bang huong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trinh cua bang huong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trinh cua bang huong dan ((toan cau) or (toan ban))*.