Perhaps you should try some spelling variations:
nganh nong » nganh cong
luc nganh » luc ngan, chuc nganh, luat nganh
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
nong hoc » dong hoc, nang hoc, nong thon
mai khoi » mai khoa, tai khoa, cac khoi
phat tao » phat giao, thuat tao, pham tai
hoc mai » hoc ma, hoc dai, hoc bai
khoi va » hoi va, khi va, choi va

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 nong hoc mai khoi va phat 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 nong hoc mai khoi va phat tao.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoi) or (sach doi)) tap, nghien cuu dong luc nganh nong hoc mai khoi va phat tao*.