Perhaps you should try some spelling variations:
phuong binh » phuong trinh, phuong anh, chuong trinh
theo phuong » theo luong, thi phuong
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
binh 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 (chieu sang)) - hanh doanh cua theo phuong binh toan tap~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu sang)) - hanh doanh cua theo phuong binh toan tap*.