Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
sach moi » sach hoi, bach mai, sach bai
sach doi » sach hoi, sach dao, sach bai
nhan dan » phan dau, gian dan, nhan tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((sach moi) or (sach doi)) tai, nghien cuu mon hoc nganh hoa hoc xa hoi ca nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((sach moi) OR (sach doi)) tai, nghien cuu mon hoc nganh hoa hoc xa hoi ca nhan dan.
• Adding a wildcard symbol may retrieve word variants: thuat ((sach moi) or (sach doi)) tai, nghien cuu mon hoc nganh hoa hoc xa hoi ca nhan dan*.