Perhaps you should try some spelling variations:
nhanh thong » nhanh chong, nhanh thang, nhan thong
hoc nhanh » hoc nganh, hoc phan
thong hoc » thuong hoc, tuong hoc, thong hoa
sach doi » sach hoi, sach moi, sach dao
nhan tai » van tai, toan tai
hang tai » hang va, dung tai
su sach » so sach, vu sach
doi tap » doi tac, doi dap, doi tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach doi tap, nghien cuu mon hoc nhanh thong hoc ma hoi va ((nhan tai) OR (hang tai))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach doi tap, nghien cuu mon hoc nhanh thong hoc ma hoi va ((nhan tai) OR (hang tai))*".