Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
chinh ta » chinh tai, chinh va
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 ((chinh ta) or (chinh tri)) nhung cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((chinh ta) OR (chinh tri)) nhung cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((chinh ta) or (chinh tri)) nhung cong dan chan cau*.