Perhaps you should try some spelling variations:
doanh phan » doanh nhan, doan phan, doanh thanh
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
hoa doanh » toan doanh, hoa dan
sach hoc » sach hoi, mach hoc, sach duoc
cach hoc » cach thuc, cach thoi, dich hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
hoc xa » hoc ma
xa hoa » xa khoa, xa hoi, ma hoa

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: thuat ((sach hoc) OR (cach hoc)) tap, nghien cuu cong hoc nganh hoa hoc xa hoa doanh phan tu~.
• Adding a wildcard symbol may retrieve word variants: thuat ((sach hoc) or (cach hoc)) tap, nghien cuu cong hoc nganh hoa hoc xa hoa doanh phan tu*.