Perhaps you should try some spelling variations:
sach doanh » sach danh, sach tranh, cac doanh
doanh tri » doanh tai, doanh tren, doanh thu
sach dinh » sach kinh, sach danh, hoach dinh
sach tran » sach tranh, sach tren, vach tran
thu sach » tu sach, thuat sach, thuoc sach
dinh tri » chinh tri
vu sach » vu bach, su sach, vu khach

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 doanh tri ) or ( vu sach dinh tri ))) or ( thu sach tran thi ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( thu sach doanh tri ) OR ( vu sach dinh tri ))) OR ( thu sach tran thi ))*.