Perhaps you should try some spelling variations:
thuat mach » thuat sach, thuat tach, thuyet mach
doanh khoa » toan khoa
thanh van » thanh san, thanh toan, thanh phan
mach hoc » cach hoc, dich hoc, anh hoc
khoa hoc » hoa hoc
va thanh » gia thanh, ban thanh, va tinh
mon hoc » toan hoc, dong hoc
mo hoc » co hoc
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: thuat mach hoc tap, nghien cuu ((mon hoc) or (mo hoc)) doanh khoa hoc xa hoi va thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat mach hoc tap, nghien cuu ((mon hoc) OR (mo hoc)) doanh khoa hoc xa hoi va thanh van.
• Adding a wildcard symbol may retrieve word variants: thuat mach hoc tap, nghien cuu ((mon hoc) or (mo hoc)) doanh khoa hoc xa hoi va thanh van*.