Perhaps you should try some spelling variations:
nganh nong » nganh cong
hoc nganh » hoc nhanh
van thanh » ban thanh, van tuan
sach hoc » cach hoc, sach hoi, mach hoc
nong hoc » dong hoc, nang hoc, nong thon
van nhan » van phan, danh nhan, van khanh
te sach » toc sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
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: te sach hoc tap, nghien cuu mon hoc nganh nong hoc xa hoi ((van nhan) OR (van thanh)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoc tap, nghien cuu mon hoc nganh nong hoc xa hoi ((van nhan) OR (van thanh)) van".
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu mon hoc nganh nong hoc xa hoi ((van nhan) OR (van thanh)) van*.