Perhaps you should try some spelling variations:
nganh nong » nganh cong
thuc cach » thuoc sach, truoc cach, thuc hanh
cach thoi » cac thoi, cach thuc, cach noi
luc nganh » luc ngan, chuc nganh, luat nganh
nong thoi » nong thon, nong thi, trong thoi
thoi tap » toi tap, hoc tap, thoi dai
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
nhan van » nhan dan, nhan va, phan van
thoi xa » thoi xua, thi xa, thoi va
hoi van » hoi va, hoi dan, hai van
hai tan » hai van, hai quan

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 thoi tap, nghien cuu dong luc nganh nong thoi xa ((hoi van) or (hai tan)) nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuc cach thoi tap, nghien cuu dong luc nganh nong thoi xa ((hoi van) OR (hai tan)) nhan van.
• Adding a wildcard symbol may retrieve word variants: thuc cach thoi tap, nghien cuu dong luc nganh nong thoi xa ((hoi van) or (hai tan)) nhan van*.