Perhaps you should try some spelling variations:
ngang thanh » nang thanh, nganh thanh, nhanh thanh
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
ngan thanh » nganh thanh, ngon thanh, nhan thanh
tuan dong » tuan duong, quan dong, luan dong
dong cong » duong cong, dung cong, dang cong
ho chieu » theo chieu, hoc thieu, doi chieu

You may be able to get more results by adjusting your search query.

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