Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong tan, truong thanh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
mang cua » manh cua, dung cua, ban cua
toan ban » van ban

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: ho chieu sach - hanh mang cua nhung ((cong thanh) OR (cong trinh)) ((toan tap) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh mang cua nhung ((cong thanh) OR (cong trinh)) ((toan tap) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh mang cua nhung ((cong thanh) OR (cong trinh)) ((toan tap) or (toan ban))*.