Perhaps you should try some spelling variations:
hang doanh » hanh doanh, nhung doanh, van doanh
nhung cong » dung cong, thong cong, hang cong
theo dien » theo tieu, thu dien, tro dien
thuy dien » thu dien, thuat dien, chua dien
doanh cua » doanh luan
cua nhung » va nhung
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

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