Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
thai van » thi van, thanh van, thai vung
cao thu » cao thi, cac thu, ca thu
thu tap » thu thap, thuc tap, thu tai
hai van » ha van, hai tan, hao van
nhan va » nhan tai, nhan dan, nhan tao
su cao » cu cao, vu cao, su co
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: su cao thu tap, nghien cuu cong hoc nganh khong hoc xa ((hai van) or (thai van)) nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cao thu tap, nghien cuu cong hoc nganh khong hoc xa ((hai van) OR (thai van)) nhan va.
• Adding a wildcard symbol may retrieve word variants: su cao thu tap, nghien cuu cong hoc nganh khong hoc xa ((hai van) or (thai van)) nhan va*.