Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
thong hoc » thuong hoc, tuong hoc, thong hoa
mach hoc » cach hoc, dich hoc, anh hoc
cong hoc » dong hoc, cong hoa, cong ho
cong coc » cong cuoc, cong cac, cong co
cac nhan » ca nhan, cac nha, cam nhan
nhan dan » phan dau, gian dan, nhan tai
tu mach » tu cach, tu manh, tu hach
hoc cac » hoc cao
ma hoc » va hoc, ma hoa, mo hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu mach hoc tap, nghien cuu ((cong hoc) OR (cong coc)) nganh thong hoc ma hoc cac nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu mach hoc tap, nghien cuu ((cong hoc) OR (cong coc)) nganh thong hoc ma hoc cac nhan dan".
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien cuu ((cong hoc) OR (cong coc)) nganh thong hoc ma hoc cac nhan dan*.