Perhaps you should try some spelling variations:
phuong dinh » phuong binh, phuong linh, phuong trinh
theo phuong » theo luong, thi phuong
hanh doanh » hang doanh, chinh doanh, doanh doanh
chieu sach » chinh sach, chiet tach, chieu sang
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
dinh toan » tinh toan, hinh toan, minh toan
cua theo » cua thep, cua tho, cua thuoc
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (hieu lang)) - hanh doanh cua theo phuong dinh toan tap~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (hieu lang)) - hanh doanh cua theo phuong dinh toan tap*.