Perhaps you should try some spelling variations:
ddoanh nhan » danh nhan, doanh ngan, doanh nhat
hieu sach » chieu sach, hieu cach, dien sach
cong cong » cong dong, trong cong, dung cong
van doanh » toan doanh, van dong, van thanh
doc hieu » toc thieu, hoc thieu, hoc hien
cong van » cong vang, cong san, song van
doanh va » doan va, doanh tai, doanh cua

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 - ((doanh nhan) or (ddoanh nhan)) thanh cong cong van doanh va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu sach - ((doanh nhan) OR (ddoanh nhan)) thanh cong cong van doanh va*.