Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
thang cua » thong cua, hang cua, than cua
tranh cua » doanh cua, manh cua
cong dang » cong dong, cong dung, cong danh
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 ((thang cua) or (tranh cua)) nhung ((cong dang) OR (cong dan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((thang cua) OR (tranh cua)) nhung ((cong dang) OR (cong dan)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh ((thang cua) or (tranh cua)) nhung ((cong dang) OR (cong dan)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((thang cua) or (tranh cua)) nhung ((cong dang) OR (cong dan)) toan ban*.