Perhaps you should try some spelling variations:
nganh nang » nganh nong, ganh nang, ngan hang
hoc nganh » hoc nhanh
sach hoi » sach doi, sach moi, cach thoi
phan van » pham van, thanh van, luan van
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va phan » van phan, va phat, va phap
luc va » duc va, tuc va, loc va
va hoi » xa hoi, va hoc, va hoa

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