Perhaps you should try some spelling variations:
nganh nang » nganh nong, ganh nang, ngan hang
hoc nganh » hoc nhanh
mach hoc » cach hoc, dich hoc, anh hoc
nang hoc » nang doc, nang luc, dong hoc
nhan dan » phan dau, gian dan, nhan tai
te mach » ke mach, te sach, tim mach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
nhan va » nhan tai, nhan tao, phan van
hoc xa » hoc ma
xa hoa » xa khoa, xa hoi, ma 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 mach hoc tap, nghien cuu mon hoc nganh nang hoc xa hoa dan ((nhan dan) or (nhan va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te mach hoc tap, nghien cuu mon hoc nganh nang hoc xa hoa dan ((nhan dan) OR (nhan va)).
• Adding a wildcard symbol may retrieve word variants: te mach hoc tap, nghien cuu mon hoc nganh nang hoc xa hoa dan ((nhan dan) or (nhan va))*.