Perhaps you should try some spelling variations:
nhanh thong » nhanh chong, nhanh thang, nhan thong
luc nhanh » luc nhan, luc nganh, luc canh
thong hoc » thuong hoc, tuong hoc, thong hoa
sach doi » sach hoi, sach moi, sach dao
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
so sach » so sanh, bo sach, co sach
doi tap » doi tac, doi dap, doi tai
va nhan » van nhan, va phan, va nha
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach doi tap, nghien cuu dong luc nhanh thong hoc ma hoi ((va nhan) OR (ca nhan)) tai~".
• Adding a wildcard symbol may retrieve word variants: so sach doi tap, nghien cuu dong luc nhanh thong hoc ma hoi ((va nhan) OR (ca nhan)) tai*.