Perhaps you should try some spelling variations:
doanh trong » doanh tong, doanh thuong, dinh trong
giai doanh » giai doan, trai doanh, lai doanh
trong minh » truong minh, trong kinh, thong minh
giai toan » giai doan, giai toa, gioi toan
sach cha » sach nha, sach che, sach ha
sach dao » lanh dao
te sach » toc sach
ke giai » kem giai, de giai, ke giao
cha ke » cha me, ca ke, kha ke
dao va » dao van, tao va, do va

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( te sach cha ke giai toan thong tin ) or ( te sach dao va giai doanh trong minh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te sach cha ke giai toan thong tin ) OR ( te sach dao va giai doanh trong minh )).
• Adding a wildcard symbol may retrieve word variants: (( te sach cha ke giai toan thong tin ) or ( te sach dao va giai doanh trong minh ))*.