Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
thu kinh » thu minh, thuat kinh, nha kinh
kinh hoc » sinh hoc, hinh hoc, tinh hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
khoa hoc » hoa hoc
hai van » thai van, hai tan, hao van
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma
ha van » hoa van, nha van, va van

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 kinh hoc tap, nghien cuu cong hoc nganh khoa hoc xa ((hai van) OR (ha van)) nhan va~.
• Adding a wildcard symbol may retrieve word variants: thu kinh hoc tap, nghien cuu cong hoc nganh khoa hoc xa ((hai van) or (ha van)) nhan va*.