Perhaps you should try some spelling variations:
doanh phan » doanh nhan, doan phan, doanh thanh
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
hoi doanh » hoa doanh, voi doanh, doi doanh
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
cuu dong » cuu tong, cuu long, luu dong
cuu cong » cua cong, thu cong, cac cong
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: thu sach hoc tap, nghien ((cuu dong) or (cuu cong)) hoc nganh hoa hoc xa hoi doanh phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach hoc tap, nghien ((cuu dong) OR (cuu cong)) hoc nganh hoa hoc xa hoi doanh phan tu.
• Adding a wildcard symbol may retrieve word variants: thu sach hoc tap, nghien ((cuu dong) or (cuu cong)) hoc nganh hoa hoc xa hoi doanh phan tu*.