Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
nhung cong » dung cong, thong cong, hang cong
hieu sach » chieu sach, hieu cach, dien sach
doc hieu » toc thieu, hoc thieu, hoc hien
doanh va » doan va, doanh tai, doanh cua
cong dan » cong san, cong tan, huong dan
phan dau » phan tu, hang dau

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 - chinh doanh va nhung cong dan ((phan lap) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu sach - chinh doanh va nhung cong dan ((phan lap) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: doc hieu sach - chinh doanh va nhung cong dan ((phan lap) or (phan dau))*.