Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
sach hoc » cach hoc, sach hoi, mach hoc
cong hoc » dong hoc, cong hoa, cong coc
dan chan » dan gian, dan ca
van chat » cao chat
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoc xa » hoc ma

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach hoc tap, nghien cuu mon hoc nganh cong hoc xa hoi ((dan chan) OR (van chat)) van~".
• Adding a wildcard symbol may retrieve word variants: thuat sach hoc tap, nghien cuu mon hoc nganh cong hoc xa hoi ((dan chan) OR (van chat)) van*.