Perhaps you should try some spelling variations:
nghien huu » nghien cuu, nguyen huu, nhiem huu
hoc nhanh » hoc nganh, hoc phan
nhanh hoa » nhanh hoan, thanh hoa, khanh hoa
danh nhan » doanh nhan, thanh nhan, benh nhan
mach hoc » cach hoc, dich hoc, bac hoc
tung hoc » trung hoc, tuong hoc, dung hoc
hoc danh » hoc dan, hoc anh, hoc hanh
nhan tai » hang tai, van tai, toan tai
anh hoc » sinh hoc, benh hoc, hinh hoc
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) OR (anh hoc)) tap, nghien huu tung hoc nhanh hoa hoc xa hoc danh nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((mach hoc) OR (anh hoc)) tap, nghien huu tung hoc nhanh hoa hoc xa hoc danh nhan tai".
• Adding a wildcard symbol may retrieve word variants: thuat ((mach hoc) OR (anh hoc)) tap, nghien huu tung hoc nhanh hoa hoc xa hoc danh nhan tai*.