Perhaps you should try some spelling variations:
doanh khoan » doanh khoa, doanh hoan, doanh nhan
khoan phai » khong phai, khoa phau, khoan hoi
phai thong » phap thong, phai tuong, phan thong
thuc doanh » thuc hanh, thuc dan, chuc danh
sach tri » sach tai, sach tren, sach truc
su sach » so sach, vu sach
tue cac » tu cac, tuc cac, te cac

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 tri tue cac khoan phai thong ) or ( su sach tri thuc doanh khoan phai thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( su sach tri tue cac khoan phai thong ) OR ( su sach tri thuc doanh khoan phai thong )).
• Adding a wildcard symbol may retrieve word variants: (( su sach tri tue cac khoan phai thong ) or ( su sach tri thuc doanh khoan phai thong ))*.