Perhaps you should try some spelling variations:
nganh khung » nganh khong, nhanh hung
coc nganh » hoc nganh, cac nganh, chuc nganh
khung hoc » chung hoc, nhung hoc, thuong hoc
sach hoc » cach hoc, sach hoi, mach hoc
cuu cong » cua cong, thu cong, cac cong
cong coc » cong cuoc, cong cac, cong co
nhan dan » phan dau, nhan tai
gian dan » gian lang
su sach » so sach, vu sach
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach hoc tap, nghien cuu cong coc nganh khung hoc xa hoi ca ((nhan dan) OR (gian dan))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach hoc tap, nghien cuu cong coc nganh khung hoc xa hoi ca ((nhan dan) OR (gian dan))".
• Adding a wildcard symbol may retrieve word variants: su sach hoc tap, nghien cuu cong coc nganh khung hoc xa hoi ca ((nhan dan) OR (gian dan))*.