Perhaps you should try some spelling variations:
nghiep cua » nghiep vua, nghiep luan, nghien cuu
doanh khoa » toan khoa
hoc doanh » hoa doanh, hoc danh, hoc dan
danh nhan » doanh nhan, thanh nhan, benh nhan
thu sach » tu sach, thuat sach, thuoc sach
cong hoc » dong hoc, cong hoa, cong coc
khoa hoc » hoa hoc
hoi danh » hop danh, hoi dan, hoc danh
vu sach » vu bach, su sach, vu khach
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma

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: ((thu sach) OR (vu sach)) hoc tap, nghiep cua cong hoc doanh khoa hoc xa hoi danh nhan va~.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (vu sach)) hoc tap, nghiep cua cong hoc doanh khoa hoc xa hoi danh nhan va*.