Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
ho chiet » ho chieu, ho thiet, hoc thiet
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban
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: ho chiet tach - ((hanh trang) or (hanh trinh)) cua nhung cong tan ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - ((hanh trang) OR (hanh trinh)) cua nhung cong tan ((toan cao) OR (toan tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - ((hanh trang) or (hanh trinh)) cua nhung cong tan ((toan cao) OR (toan tap))*".