Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
thang cua » thong cua, hang cua, than cua
thanh van » thanh san, thanh toan, thanh phan
tang cua » mang cua, hang cua, tang luan
cong van » cong vang, song van, cong tan
cong san » cong tac

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