Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
doanh cua » doanh luan
cua nhung » va nhung
theo toc » ho toc, theo bo, theo doi
thac toc » cac toc, thac cac, thi toc
van toan » van tan, van thanh, manh toan
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo toc) or (thac toc)) sach - canh doanh cua nhung cong ((van toan) OR (van tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo toc) OR (thac toc)) sach - canh doanh cua nhung cong ((van toan) OR (van tuan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo toc) or (thac toc)) sach - canh doanh cua nhung cong ((van toan) OR (van tuan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((theo toc) or (thac toc)) sach - canh doanh cua nhung cong ((van toan) OR (van tuan)) cau*.