Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
sach moi » sach hoi, bach mai, sach bai
sach doi » sach hoi, sach dao, sach bai
cuu tong » cuu cong, cuu tinh, huu tung
tong hoc » tuong hoc, thong hoc, trong hoc
khoa hoc » hoa hoc
phan tao » nhan tao, phan tap, phan tan
va phan » van phan, va phat, va phap
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: toc ((sach moi) OR (sach doi)) tai, nghien cuu tong hoc nganh khoa hoc xa hoi va phan tao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach moi) OR (sach doi)) tai, nghien cuu tong hoc nganh khoa hoc xa hoi va phan tao".
• Adding a wildcard symbol may retrieve word variants: toc ((sach moi) OR (sach doi)) tai, nghien cuu tong hoc nganh khoa hoc xa hoi va phan tao*.