Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doan trung » do trung, dac trung, xuan trung
dinh phan » dinh phap, dich phan, dinh than
phan doan » chan doan, phan hoan, chuan doan
trong van » trong cac
ho chieu » theo chieu, hoc thieu, mot chieu
dang van » hoang van, hang va
tuan thu » toan thuc, van thu

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 - dinh phan doan trung ((trong van) or (dang van)) tuan thu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - dinh phan doan trung ((trong van) OR (dang van)) tuan thu*.