Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
hoc nhanh » hoc nganh, hoc phan
thang hoc » thang nhoc, than hoc, thanh hoc
ban thanh » ban hanh, ban hang
thanh dan » thanh san, thanh van, thanh dat
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
toi gap » toi tap, toi gian
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi ban » hoi dan, hoi bai, doi ban
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: ((tu sach) or (su sach)) toi gap, nghien cuu mon hoc nhanh thang hoc ma hoi ban thanh dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) toi gap, nghien cuu mon hoc nhanh thang hoc ma hoi ban thanh dan*.