Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
sach moi » sach doi, sach hoi, sach bai
cuu tong » cuu cong, cuu tinh, huu tung
tong hoc » tuong hoc, thong hoc, trong hoc
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 moi) or (bach mai)) tai, nghien cuu tong hoc nganh khoa hoc xa hoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach moi) OR (bach mai)) tai, nghien cuu tong hoc nganh khoa hoc xa hoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu ((sach moi) or (bach mai)) tai, nghien cuu tong hoc nganh khoa hoc xa hoi va nhan dan*.