Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
mach hoc » cach hoc, dich hoc, anh hoc
sach hoi » sach doi, sach moi, cach thoi
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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) or (sach hoi)) tap, nghien cuu dong hoc nganh khoa hoc xa hoi ca nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((mach hoc) OR (sach hoi)) tap, nghien cuu dong hoc nganh khoa hoc xa hoi ca nhan va.
• Adding a wildcard symbol may retrieve word variants: tu ((mach hoc) or (sach hoi)) tap, nghien cuu dong hoc nganh khoa hoc xa hoi ca nhan va*.