Perhaps you should try some spelling variations:
doanh khoa » toan khoa
cuu tuong » cuu thuong, cuu tong, cuu phuong
tuong hoc » truong hoc, tuong ho, duong hoc
hoc doanh » hoa doanh, hoc danh, hoc dan
hinh hoc » sinh hoc, tin hoc, benh hoc
van nhan » van phan, van thanh, danh nhan
nhan tai » hang tai, van tai, toan tai
te hinh » te chinh, te tinh, thep hinh
hoi van » hoi va, hoi dan, hai van

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

• Performing a fuzzy search may retrieve terms with similar spellings: te hinh hoc tap, nghien cuu tuong hoc doanh khoa ((hoc xa) or (hoc ma)) hoi van nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te hinh hoc tap, nghien cuu tuong hoc doanh khoa ((hoc xa) OR (hoc ma)) hoi van nhan tai.
• Adding a wildcard symbol may retrieve word variants: te hinh hoc tap, nghien cuu tuong hoc doanh khoa ((hoc xa) or (hoc ma)) hoi van nhan tai*.