Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu sach » chieu sach, hieu cach, dien sach
doanh cua » doanh luan
dong cong » duong cong, dung cong, dang cong
cong sang » cong san, cong lang, cong vang
doc hieu » toc thieu, hoc thieu, hoc hien
cua dong » chua dong, cua cong, cua dang
tao cau » tao cu, tao sau, tao cac
tao cao » bao cao, toan cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu sach - hanh doanh cua dong cong sang ((tao cau) or (tao cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu sach - hanh doanh cua dong cong sang ((tao cau) OR (tao cao)).
• Adding a wildcard symbol may retrieve word variants: doc hieu sach - hanh doanh cua dong cong sang ((tao cau) or (tao cao))*.