Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
sach hoc » cach hoc, sach hoi, mach hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
te sach » toc sach
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao
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 dong hoc ((nganh nong) or (nganh cong)) hoc xa hoi va nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach hoc tap, nghien cuu dong hoc ((nganh nong) OR (nganh cong)) hoc xa hoi va nhan va.
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu dong hoc ((nganh nong) or (nganh cong)) hoc xa hoi va nhan va*.