Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
dung cong » dung trong
tang cua » hang cua, tang luan, thong cua
mang cua » manh cua, dung cua, ban cua
cong dan » cong san, cong tan, huong dan
toan ban » van 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 ((tang cua) or (mang cua)) dung cong dan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((tang cua) OR (mang cua)) dung cong dan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((tang cua) or (mang cua)) dung cong dan ((toan tap) or (toan ban))*.