Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
sach hoc » cach hoc, mach hoc, sach duoc
sach hoi » sach doi, sach moi, cach thoi
cong hoc » dong hoc, cong hoa, cong coc
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
nhan va » nhan tai, nhan dan, nhan tao
ma hoi » mai hoi, xa hoi, ma hoa
hoi ca » hoi cua, hoi cac, hoi cau

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach hoc) OR (sach hoi)) tap, nghien cuu mon hoc nganh cong hoc ma hoi ca nhan va~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoc) OR (sach hoi)) tap, nghien cuu mon hoc nganh cong hoc ma hoi ca nhan va*.