Perhaps you should try some spelling variations:
nhanh khoa » nhan khoa, nganh khoa, hang khoa
cach thoi » cac thoi, cach thuc, cach noi
hoc nhanh » hoc nganh, hoc phan
sach hoi » sach doi, sach moi, hoach hoi
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
nhan dan » phan dau, gian dan, nhan tai
va nhan » van nhan, ca nhan, va phan
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 ((sach hoi) or (cach thoi)) tap, nghien cuu dong hoc nhanh khoa hoc xa hoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hoi) OR (cach thoi)) tap, nghien cuu dong hoc nhanh khoa hoc xa hoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoi) or (cach thoi)) tap, nghien cuu dong hoc nhanh khoa hoc xa hoi va nhan dan*.