Perhaps you should try some spelling variations:
nganh nang » nganh nong, ganh nang, ngan hang
nghien huu » nghien cuu, nguyen huu, nhiem huu
hoc nganh » hoc nhanh
phan van » pham van, thanh van, luan van
sach hoc » cach hoc, mach hoc, sach duoc
cuu phan » cuu phat, cuu nhan, uu phan
nang hoc » nang doc, nang luc, dong hoc
sach hoi » sach doi, sach moi, cach thoi
huu so » huu son, huu co, huu ho
hoc xa » hoc ma
ho cuu » ho chu, ho cua, so cuu
so hoc » co hoc, mo hoc, so hoa
xa ho » xa hoi, xa hoa, xa hoc

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