Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
hieu sach » chieu sach, hieu cach, dien sach
cua huong » cua phuong, cua thuong, cua truong
doc hieu » toc thieu, hoc thieu, hoc hien
cua hong » cua khong, cua cong, cua hang
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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 - canh doanh ((cua hong) OR (cua huong)) huong dan than tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu sach - canh doanh ((cua hong) OR (cua huong)) huong dan than tap*".