Perhaps you should try some spelling variations:
thuat mach » thuat sach, thuat tach, thuyet mach
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
mach hoc » cach hoc, dich hoc, anh hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
khoa hoc » hoa hoc
nhan van » nhan dan, nhan va, phan van
va nhan » van nhan, ca nhan, va phan
ma hoi » mai hoi, ma hoa, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat mach hoc tap, nghien cuu cong hoc nganh khoa hoc ((ma hoi) or (xa hoi)) va nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat mach hoc tap, nghien cuu cong hoc nganh khoa hoc ((ma hoi) OR (xa hoi)) va nhan van.
• Adding a wildcard symbol may retrieve word variants: thuat mach hoc tap, nghien cuu cong hoc nganh khoa hoc ((ma hoi) or (xa hoi)) va nhan van*.