Perhaps you should try some spelling variations:
nganh khung » nganh khong, nhanh hung
nghien cua » nghien cuu, nghiep cua, nghiep vua
tac nganh » cac nganh, tao nganh, tich nganh
khung hoc » chung hoc, nhung hoc, thuong hoc
sach hoc » cach hoc, sach hoi, mach hoc
cong tac » cong ty
nhan dan » phan dau, gian dan, nhan tai
te sach » toc sach
nha van » nha lanh
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: te sach hoc tap, nghien cua cong tac nganh khung hoc xa hoi va ((nha van) or (nhan dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach hoc tap, nghien cua cong tac nganh khung hoc xa hoi va ((nha van) OR (nhan dan)).
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cua cong tac nganh khung hoc xa hoi va ((nha van) or (nhan dan))*.