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
nong dan » nong san, nguong dan, huong dan
cong dan » cong san, cong tan, huong dan
toan tap » toan ban
toan cao » toan 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 quan hang ((nong dan) OR (cong dan)) ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trinh quan hang ((nong dan) OR (cong dan)) ((toan tap) OR (toan cao))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trinh quan hang ((nong dan) OR (cong dan)) ((toan tap) or (toan cao))*".