Perhaps you should try some spelling variations:
thuat mach » thuat sach, thuat tach, thuyet mach
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
mach hoc » cach hoc, dich hoc, anh hoc
cuu cong » cua cong, thu cong, cac cong
hoc phan » hoc dan, hoc pho
nhan van » nhan dan, nhan va, phan van
ma hoi » mai hoi, xa hoi, ma hoa
hoi ca » hoi cua, hoi cac, hoi cau

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) or (hoc phan)) khong hoc ma hoi ca nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat mach hoc tap, nghien cuu cong ((hoc nganh) OR (hoc phan)) khong hoc ma hoi ca nhan van.
• Adding a wildcard symbol may retrieve word variants: thuat mach hoc tap, nghien cuu cong ((hoc nganh) or (hoc phan)) khong hoc ma hoi ca nhan van*.