Perhaps you should try some spelling variations:
doanh khoa » toan khoa
hoc doanh » hoa doanh, hoc danh, hoc dan
van thanh » ban thanh, van tuan
tinh hoc » sinh hoc, tin hoc, hinh hoc
cuu tong » cuu cong, cuu tinh, huu tung
tong hoc » tuong hoc, thong hoc, trong hoc
khoa hoc » hoa hoc
te tinh » tue tinh, tre tinh, ve tinh
va nhan » van nhan, ca nhan, va phan
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: te tinh hoc tap, nghien cuu tong hoc doanh khoa hoc xa hoi ((va nhan) or (van thanh)) va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te tinh hoc tap, nghien cuu tong hoc doanh khoa hoc xa hoi ((va nhan) OR (van thanh)) va.
• Adding a wildcard symbol may retrieve word variants: te tinh hoc tap, nghien cuu tong hoc doanh khoa hoc xa hoi ((va nhan) or (van thanh)) va*.