Perhaps you should try some spelling variations:
nganh khung » nganh khong, nhanh hung
luc nganh » luc ngan, chuc nganh, luat nganh
khung hoc » chung hoc, nhung hoc, thuong hoc
sach hoi » sach moi, cach thoi, hoach hoi
sach doi » sach moi, sach dao, sach bai
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
van nhan » van phan, van thanh, danh nhan
nhan tao » nhan tai, nhan dan
hoi van » hoi va, hoi dan, hai van
ma hoi » mai hoi, xa hoi, ma hoa

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 hoi) or (sach doi)) tap, nghien cuu dong luc nganh khung hoc ma hoi van nhan tao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hoi) OR (sach doi)) tap, nghien cuu dong luc nganh khung hoc ma hoi van nhan tao.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoi) or (sach doi)) tap, nghien cuu dong luc nganh khung hoc ma hoi van nhan tao*.