Perhaps you should try some spelling variations:
nganh nong » nganh cong
hoc nganh » hoc nhanh
thai danh » thai thanh, thai binh, thai den
danh nhan » doanh nhan, thanh nhan, benh nhan
nong hoc » dong hoc, nang hoc, nong thon
nhan van » nhan dan, nhan va, phan van
tu sach » thu sach, su sach, te sach
hoi tai » hoc tai, hoi trac
xa thai » ca thai, a thai, da thai
cuu co » huu co, cua co, cuu mo
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: tu sach ((hoi dap) or (hoi tai)), nghien cuu co hoc nganh nong hoc xa thai danh nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((hoi dap) OR (hoi tai)), nghien cuu co hoc nganh nong hoc xa thai danh nhan van.
• Adding a wildcard symbol may retrieve word variants: tu sach ((hoi dap) or (hoi tai)), nghien cuu co hoc nganh nong hoc xa thai danh nhan van*.