Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
cuc nganh » chuc nganh, cac nganh, cua nganh
mach hoc » cach hoc, dich hoc, anh hoc
cuu tong » cuu cong, cuu tinh, huu tung
tong cuc » trong cuoc, thong cua, cong chuc
khoa hoc » hoa hoc
nhan van » nhan dan, phan van, nha van
tu mach » tu cach, tu manh, tu hach
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 mach hoc tap, nghien cuu tong cuc nganh khoa hoc xa hoi va ((nhan va) or (nhan van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu mach hoc tap, nghien cuu tong cuc nganh khoa hoc xa hoi va ((nhan va) OR (nhan van)).
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien cuu tong cuc nganh khoa hoc xa hoi va ((nhan va) or (nhan van))*.