Perhaps you should try some spelling variations:
nganh nang » nganh nong, ganh nang, ngan hang
sach duoc » sach nuoc, sach dao, sach dung
hoc nganh » hoc nhanh
sach hoi » sach doi, sach moi, cach thoi
nhan van » nhan dan, nhan va, phan van
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va nhan » van nhan, ca nhan, va phan
luc xa » tuc xa, buc xa, luc va

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