Perhaps you should try some spelling variations:
thuat mach » thuat sach, thuat tach, thuyet mach
nghien huu » nghien cuu, nguyen huu, nhiem huu
hoc nhanh » hoc nganh
danh nhan » doanh nhan, thanh nhan, benh nhan
mach hoc » cach hoc, dich hoc, anh hoc
hoc phan » hoc dan, hoc pho
hoc danh » hoc dan, hoc anh, hoc hanh
nhan tai » hang tai, van tai, toan tai
hoc xa » hoc ma
xa hoc » xa hoi, va hoc, xa hoa

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 huu tung ((hoc nhanh) OR (hoc phan)) hoa hoc xa hoc danh nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat mach hoc tap, nghien huu tung ((hoc nhanh) OR (hoc phan)) hoa hoc xa hoc danh nhan tai".
• Adding a wildcard symbol may retrieve word variants: thuat mach hoc tap, nghien huu tung ((hoc nhanh) OR (hoc phan)) hoa hoc xa hoc danh nhan tai*.