Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
mach hoc » cach hoc, dich hoc, anh hoc
cuu long » cuu cong, cuu tong, cuu nang
long hoc » dong hoc, long soc, long thuoc
ke mach » ke hoach
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: ke mach hoc tap, nghien cuu long 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: ke mach hoc tap, nghien cuu long hoc ((nganh nong) OR (nganh cong)) hoc xa hoi va nhan va.
• Adding a wildcard symbol may retrieve word variants: ke mach hoc tap, nghien cuu long hoc ((nganh nong) or (nganh cong)) hoc xa hoi va nhan va*.