Perhaps you should try some spelling variations:
thuc cach » thuoc sach, truoc cach, thuc hanh
ngan nong » nganh nong, nganh cong, ngan hang
cach hoc » cach thuc, cach thoi, dich hoc
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
luc ngan » luc nganh, luc nhan, luat ngan
nong hoc » dong hoc, nang hoc, nong thon
nhan dan » phan dau, gian dan, nhan tai
hoi van » hoi va, hoi dan, hoi han
hai van » thai van, ha van, hai tan
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: thuc cach hoc tap, nghien cuu dong luc ngan nong hoc xa ((hoi van) or (hai van)) nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuc cach hoc tap, nghien cuu dong luc ngan nong hoc xa ((hoi van) OR (hai van)) nhan dan.
• Adding a wildcard symbol may retrieve word variants: thuc cach hoc tap, nghien cuu dong luc ngan nong hoc xa ((hoi van) or (hai van)) nhan dan*.