Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, truong thanh
thong cong » trong cong, tong cong, thong thong
tran tuan » tran xuan, tran quang, tran thanh
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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 - thanh ((trung tuan) OR (tran tuan)) thong cong ((dan than) OR (dan chan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung tuan) OR (tran tuan)) thong cong ((dan than) or (dan chan)) cau~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung tuan) OR (tran tuan)) thong cong ((dan than) or (dan chan)) cau*.