Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
hoc chiet » hoc thiet, hoc nhiet, hoc hien
thang cua » thong cua, hang cua, than cua
doanh cua » doanh luan
tang cua » mang cua, hang cua, tang luan
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chiet tach - hanh ((thang cua) or (((tang cua) or (doanh cua)))) nhung cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chiet tach - hanh ((thang cua) OR (((tang cua) OR (doanh cua)))) nhung cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - hanh ((thang cua) or (((tang cua) or (doanh cua)))) nhung cong van toan ban*.