Perhaps you should try some spelling variations:
nhung luong » hung luong, nhung huong, nhung tuong
chieu sang » chieu sach, chieu xanh, hieu lang
doanh luan » doanh nhan
doi chieu » doc hieu, doi chi, ho chieu
luong tin » thong tin, luong tai, luong thi
tin toan » tinh toan, nin toan, trinh toan
toan tap » toan ban

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - hanh ((doanh cua) OR (doanh luan)) nhung luong tin toan tap~".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - hanh ((doanh cua) OR (doanh luan)) nhung luong tin toan tap*.