Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
cach toi » cach thoi, cac toi, cach noi
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
khoa hoc » hoa hoc
tu cach » tu cac
toi tap » toi gap, toan tap, tong tap
hai van » thai van, ha van, hai tan
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.

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach toi tap, nghien cuu cong hoc nganh khoa hoc xa ((hai van) or (hoi va)) nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach toi tap, nghien cuu cong hoc nganh khoa hoc xa ((hai van) OR (hoi va)) nhan va.
• Adding a wildcard symbol may retrieve word variants: tu cach toi tap, nghien cuu cong hoc nganh khoa hoc xa ((hai van) or (hoi va)) nhan va*.