Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
tac nganh » cac nganh, tao nganh, tich nganh
sach moi » sach doi, sach hoi, bach mai
cuu cong » cua cong, thu cong, cac cong
cong tac » cong ty
khoa hoc » hoa hoc
cao phan » co phan, cho phan, cac phan
su sach » so sach, vu sach
moi tap » moi tai, toi tap
ca phan » cac phan, cap phan, cau 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: su sach moi tap, nghien cuu cong tac nganh khoa hoc xa hoi ((ca phan) OR (cao phan)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach moi tap, nghien cuu cong tac nganh khoa hoc xa hoi ((ca phan) OR (cao phan)) van".
• Adding a wildcard symbol may retrieve word variants: su sach moi tap, nghien cuu cong tac nganh khoa hoc xa hoi ((ca phan) OR (cao phan)) van*.