Perhaps you should try some spelling variations:
nhanh nhung » hanh nhung, nhanh chuong, nhanh chong
nhanh hung » thanh hung, nhanh hong, nhanh chuong
sach hoc » cach hoc, sach hoi, mach hoc
so sach » so sanh, bo sach, co sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao
goc xa » hoc xa, goc va, uoc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach hoc tap, nghien cuu mon hoc ((nhanh nhung) OR (nhanh hung)) goc xa hoi va nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach hoc tap, nghien cuu mon hoc ((nhanh nhung) OR (nhanh hung)) goc xa hoi va nhan va".
• Adding a wildcard symbol may retrieve word variants: so sach hoc tap, nghien cuu mon hoc ((nhanh nhung) OR (nhanh hung)) goc xa hoi va nhan va*.