Perhaps you should try some spelling variations:
nganh nong » nganh cong
hoc nganh » hoc nhanh
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
nong hoc » dong hoc, nang hoc, nong thon
dan nhan » danh nhan, dan chan, van nhan
nhan tai » hang tai, van tai, toan tai
te cach » te sach, tu cach, te cac
ve cach » va cach, ve cac, ve canh
hoc xa » hoc ma
xa hoc » xa hoi, va hoc, xa hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te cach) or (ve cach)) hoc tap, nghien cuu cong hoc nganh nong hoc xa hoc dan nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te cach) OR (ve cach)) hoc tap, nghien cuu cong hoc nganh nong hoc xa hoc dan nhan tai.
• Adding a wildcard symbol may retrieve word variants: ((te cach) or (ve cach)) hoc tap, nghien cuu cong hoc nganh nong hoc xa hoc dan nhan tai*.