Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
thoi tap » toi tap, hoc tap, thoi dai
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
khoa hoc » hoa hoc
hang tai » hang va, dung tai
te cach » ve cach, te sach, tu cach
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: te cach thoi tap, nghien cuu cong hoc nganh khoa hoc xa hoi va ((nhan va) or (hang tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cach thoi tap, nghien cuu cong hoc nganh khoa hoc xa hoi va ((nhan va) OR (hang tai)).
• Adding a wildcard symbol may retrieve word variants: te cach thoi tap, nghien cuu cong hoc nganh khoa hoc xa hoi va ((nhan va) or (hang tai))*.