Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cong ban » cong bang, cong san, cong tan
phan tap » han tap, pha tap, toan tap
phan lap » phan dau

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 nhung cong ban ((((phan tap) OR (phan tu))) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh trinh cua nhung cong ban ((((phan tap) OR (phan tu))) OR (phan lap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh trinh cua nhung cong ban ((((phan tap) OR (phan tu))) or (phan lap))*".