Perhaps you should try some spelling variations:
nganh nong » nganh cong
nong thuoc » dong thuoc, long thuoc, khong thuoc
cach thuc » anh thuc, cac thu
goc nganh » hoc nganh, hoc nhanh, cac nganh
sach doi » sach hoi, sach moi, sach dao
thuoc xa » thuoc ma, thuoc va, thuoc la
nhan van » nhan dan, nhan va, phan van
cuu mot » cua mot, cuu mo, huu mot
va nhan » van nhan, ca nhan, va phan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((cach thuc) OR (sach doi)) tap, nghien cuu mot goc nganh nong thuoc xa hoi va nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((cach thuc) OR (sach doi)) tap, nghien cuu mot goc nganh nong thuoc xa hoi va nhan van".
• Adding a wildcard symbol may retrieve word variants: tu ((cach thuc) OR (sach doi)) tap, nghien cuu mot goc nganh nong thuoc xa hoi va nhan van*.