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
van phan » van phong, van thanh, luan phan
phan thi » pham thi, tran thi, phan tu
so sach » so sanh, bo sach, co sach
doi tap » doi tac, doi dap, doi tai
hoi tai » hoc tai, hoi trac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hai van » thai van, ha van, hai tan
ma hai » ta hai, va hai, xa hai

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 ((doi tap) or (hoi tai)), nghien cuu mon hoc nhanh thang hoc ma hai van phan thi~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((doi tap) OR (hoi tai)), nghien cuu mon hoc nhanh thang hoc ma hai van phan thi*.