Perhaps you should try some spelling variations:
thuat mach » thuat sach, thuat tach, thuyet mach
nhanh hung » thanh hung, nhanh chuong, nhanh quang
nhanh hong » nhanh chong, nhanh dong, nhanh song
mach hoc » cach hoc, dich hoc, anh hoc
cua nhan » ca nhan, cua ngan, cua nha
nhan tai » hang tai, van tai, toan tai
hoi cua » hoi chuc
mo hoc » mon 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 mo hoc ((nhanh hung) OR (nhanh hong)) hoc xa hoi cua nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat mach hoc tap, nghien cuu mo hoc ((nhanh hung) OR (nhanh hong)) hoc xa hoi cua nhan tai".
• Adding a wildcard symbol may retrieve word variants: thuat mach hoc tap, nghien cuu mo hoc ((nhanh hung) OR (nhanh hong)) hoc xa hoi cua nhan tai*.