Perhaps you should try some spelling variations:
phan chong » phan cong, phan hong, phap chong
chong hoc » chung hoc, chong doc, thong hoc
nhan tao » nhan tai, nhan dan
sach moi » sach hoi, bach mai, sach bai
mai khoi » mai khoa, tai khoa, cac khoi
sach doi » sach hoi, sach dao, sach bai
hoc phan » hoc dan, hoc pho
va nhan » van nhan, ca nhan, va phan
khoi va » hoi va, khi va, choi va
hoc mai » hoc ma, hoc dai, hoc bai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong 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 doi) or (sach moi)) tap, nghien cuu mon hoc phan chong hoc mai khoi va nhan tao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach doi) OR (sach moi)) tap, nghien cuu mon hoc phan chong hoc mai khoi va nhan tao*.