Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
hoc chiet » hoc thiet, hoc nhiet, hoc hien
doanh cua » doanh luan
cua nhung » va nhung
cong ban » cong bang, cong san, cong tan
ban chat » van chat, bao chat, luan chat
chat ban » nhat ban, chat ran, cua 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 doanh cua nhung cong ban chat ban~.
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - hanh doanh cua nhung cong ban chat ban*.