Perhaps you should try some spelling variations:
nganh khung » nganh khong, nhanh hung
thuat sach » thuat lanh, thuat san
khung hoc » chung hoc, nhung hoc, thuong hoc
sach hoc » cach hoc, sach hoi, mach hoc
toan hoc » toan khoa, van hoc, hoa hoc
nhan dan » phan dau, gian dan, nhan tai
mon hoc » dong hoc
va nhan » van nhan, ca nhan, va phan
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: thuat sach hoc tap, nghien cuu ((mon hoc) OR (toan hoc)) nganh khung hoc xa hoi va nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach hoc tap, nghien cuu ((mon hoc) OR (toan hoc)) nganh khung hoc xa hoi va nhan dan".
• Adding a wildcard symbol may retrieve word variants: thuat sach hoc tap, nghien cuu ((mon hoc) OR (toan hoc)) nganh khung hoc xa hoi va nhan dan*.