Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh
nhung cong » dung cong, thong cong, nhung don
doi chieu » doc hieu, doi chi, ho chieu
hang cong » dang cong, hang nong, bang cong
san tuan » van tuan, san luan, san quan
tuan thu » toan thuc, van thu

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((hanh trinh) OR (hanh chinh)) cua ((nhung cong) OR (hang cong)) san tuan thu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - ((hanh trinh) or (hanh chinh)) cua ((nhung cong) OR (hang cong)) san tuan thu~".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((hanh trinh) or (hanh chinh)) cua ((nhung cong) OR (hang cong)) san tuan thu*.