Perhaps you should try some spelling variations:
phap doanh » nhap doanh, phap hoan, lap doanh
doanh khoa » toan khoa
sanh theo » hanh theo, anh theo, anh tho
bach khoa » anh khoa
theo phap » thi phap
sach tri » sach tai, sach tren, sach truc
tri truc » tri thuc, thi truc, tri thuoc
khoa hai » khoa hoi, khoa tai, khoa bai
khoa ban » khoa bai, khoa can, khoe ban
ban tong » ban trong, ban tuong, ban thong
su sach » so sach, vu sach
so sanh » do sanh

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 truc bach khoa hai phong ) or ( so sanh theo phap doanh khoa ban tong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( su sach tri truc bach khoa hai phong ) OR ( so sanh theo phap doanh khoa ban tong )).
• Adding a wildcard symbol may retrieve word variants: (( su sach tri truc bach khoa hai phong ) or ( so sanh theo phap doanh khoa ban tong ))*.