Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
tran doanh » toan doanh, trai doanh, tran danh
hanh nang » ganh nang, anh nang, hanh mang
tan doanh » toan doanh, van doanh, san doanh
nang hoc » nang doc, nang luc, dong hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - hanh nang hoc thuong cong ((tan doanh) or (tran doanh)) bao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh nang hoc thuong cong ((tan doanh) OR (tran doanh)) bao.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh nang hoc thuong cong ((tan doanh) or (tran doanh)) bao*.