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
cac thuc » cach thuc, cac thu, can thuc
thuc tap » tuc tap, thuc thai, thuc vat
hai tran » thai tran, hai tan, ha tran
nhan tao » nhan tai, nhan dan
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoc xua » hoc cua, hoc xa, hoc lua
xua hai » qua hai, cua hai, xa hai
nhan va » nhan tai, nhan dan, phan van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac thuc tap, nghien cuu mot hoc nganh khong hoc xua hai tran ((nhan va) or (nhan tao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac thuc tap, nghien cuu mot hoc nganh khong hoc xua hai tran ((nhan va) OR (nhan tao)).
• Adding a wildcard symbol may retrieve word variants: tu cac thuc tap, nghien cuu mot hoc nganh khong hoc xua hai tran ((nhan va) or (nhan tao))*.