Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhung tuong » nhung huong, hung vuong, nhung cong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
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 chieu sach - hanh doanh cua ((nhung tuong) or (nhung phuong)) ((van toan) OR (van tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh doanh cua ((nhung tuong) OR (nhung phuong)) ((van toan) OR (van tuan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh doanh cua ((nhung tuong) or (nhung phuong)) ((van toan) OR (van tuan)) cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh doanh cua ((nhung tuong) or (nhung phuong)) ((van toan) OR (van tuan)) cau*.