Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
hoa doanh » toan doanh, hoa dan
sach hoc » cach hoc, sach hoi, mach hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoa » dong hoc, dong co
hoan hoc » hoa hoc, toan hoc, hoang hoa
va thanh » gia thanh, ban thanh, le thanh
su sach » so sach, vu sach
va tinh » may tinh
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: su sach hoc tap, nghien cuu dong hoa doanh hoan hoc xa hoi ((va thanh) OR (va tinh)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach hoc tap, nghien cuu dong hoa doanh hoan hoc xa hoi ((va thanh) OR (va tinh)) van".
• Adding a wildcard symbol may retrieve word variants: su sach hoc tap, nghien cuu dong hoa doanh hoan hoc xa hoi ((va thanh) OR (va tinh)) van*.