Perhaps you should try some spelling variations:
sach ngoai » dich ngoai, gach ngoi, sach ngan
nganh nang » nganh nong, ganh nang, ngan hang
ngoai tap » ngoai tac, ngoai tai, ngoai tru
hoc nganh » hoc nhanh
nang hoc » nang doc, nang luc, dong hoc
nhan van » nhan dan, phan van, nha van
so sach » so sanh, bo sach, co sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi cua » hoi chuc
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma

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 ngoai tap, nghien cuu mon hoc nganh nang hoc xa hoi cua ((nhan van) or (nhan va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ngoai tap, nghien cuu mon hoc nganh nang hoc xa hoi cua ((nhan van) OR (nhan va)).
• Adding a wildcard symbol may retrieve word variants: so sach ngoai tap, nghien cuu mon hoc nganh nang hoc xa hoi cua ((nhan van) or (nhan va))*.