Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
cua thuong » cua truong, cua phuong, ca thuong
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
cong tac » cong ty
khan cap » khan ap, than cap, khoan cam
toan tap » 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: hoc chieu sach - hanh trinh cua thuong ((cong san) OR (cong tac)) ((khan cap) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh trinh cua thuong ((cong san) OR (cong tac)) ((khan cap) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh trinh cua thuong ((cong san) OR (cong tac)) ((khan cap) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trinh cua thuong ((cong san) OR (cong tac)) ((khan cap) or (toan tap))*.