Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhieu tang » chieu sang, hieu lang, nhiet nang
hanh trung » thanh trung, hanh trang, manh trung
luong cong » dung cong, trong cong, cong cong
trung do » trung bo, trung co, trung du
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: ho ((((chieu sach) or (chieu tinh))) or (nhieu tang)) - hanh trung do luong cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sach) OR (chieu tinh))) OR (nhieu tang)) - hanh trung do luong cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sach) or (chieu tinh))) or (nhieu tang)) - hanh trung do luong cong dan chan cau*.