Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc chiet » hoc thiet, hoc nhiet, hoc hien
doanh cua » doanh luan
dang cong » dung cong
trinh van » trinh han, trinh quan, trinh toan
cua dang » cua cong, 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 dang cong trinh van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - hanh doanh cua dang cong trinh van ban*.