Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan hang » quan hoang, quan lang, quan hanh
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, cong dong
khan cap » khan ap, khoan cam, phan cac
than cap » thanh lap, thanh cac, than cua

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 quan hang ((cong dan) OR (huong dan)) ((khan cap) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trinh quan hang ((cong dan) OR (huong dan)) ((khan cap) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trinh quan hang ((cong dan) OR (huong dan)) ((khan cap) or (than cap))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trinh quan hang ((cong dan) OR (huong dan)) ((khan cap) or (than cap))*.