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
thang cua » thong cua, hang cua, than cua
trung cua » truong cua, trung tuan, trung cap
cong dang » cong dong, cong dan, cong dung
dang van » hoang van, hang va

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 ((thang cua) or (trung cua)) nhung cong dang van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((thang cua) OR (trung cua)) nhung cong dang van ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((thang cua) or (trung cua)) nhung cong dang van ban*.